Is voltage 0 if current is 0?

Related questions

A 3 phase line of 4 km length delivers 4000 kW at a p.f of 0.8 lagging to a load the resistance and reactance per km of each conductor are 0.2 Ω and 0.5 Ω respectively if the voltage at the supply end is maintained at 11 kV. Calculate the received end voltage and efficiency of line.

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

A three-phase transformer having a line voltage ratio of 0.4 kV/11kV is connected Star/Delta and protective transformers on the 0.4 kV side have a current ratio of 500/5. Calculate the ratio of the protective transformers on the 11 kV side. Draw a neat circuit diagram and indicate the given values at appropriate places.

A three-phase transformer having a line voltage ratio of 0.4 kV/11kV is connected Star/Delta and protective transformers on the 0.4 kV side have a current ratio of 500/5. Calculate the ratio of ... on the 11 kV side. Draw a neat circuit diagram and indicate the given values at appropriate places.

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

Is there an instantaneous change in the voltage across the capacitor at t 0?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

Why is voltage always 0?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What is the current in the RL circuit at a time t=0?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What happens if you charge a battery with too much voltage?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What is the node voltage if there is a voltage source between a node and the reference node?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

How to check if current is AC or DC?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

How to check if current is flowing?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What will happen if you increase current through a conductor ?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

Does self-inductance occur if DC current is passed?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

Does self inductance occur if DC current is passed?

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

Does self-induction occur if DC current is passed?

Does self-induction occur if DC current is passed?
Answer : Yes, **self-induction** can occur when a **DC current** is passed through a coil or inductor, but it happens only **at the moment the current is changing**. Here's why: 1. ** ... moment of switching on or off), but once the current becomes constant, there is no further self-induced voltage....

View solution

0 like 0 dislike

2 views 1 answer

in Electrical Engineering

What happens if the charging current for a lead acid cell is too high?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What if current flows in the same direction?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

Is 1-bit 0 and 1?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

Is 0 a yes or no?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

Is 0 true or false?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What is 0.5 kW mean?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

Is 0 resistance possible?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

Can a photon have 0 spin?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

Does a circle have 0 or 1 side?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

Why is a diode 0.7 V?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

Are diodes always 0.7 V?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is 0.01 uF capacitor?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

Why is voltmeter 0?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What does 0 ohms mean?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

Why most of analog o/p devices having o/p range 4 to 20 mA and not 0 to 20 mA?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What is the impulse function at t 0?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

How strong is a 0.5 tesla magnet?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What is the emissivity of 0?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

How does a capacitor behave at T=0?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What is epsilon 0?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is the SI unit for epsilon 0?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What does 0 hg mean on a battery?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

Can resistance be 0 ohms?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

Is a power of 0.8 good?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

Is a power factor of 0.8 good?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

How can voltmeter read 0?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

Which meter has a greater sensitivity and why? Meter A having a range of 0-10 V and a multiplier resistance of 18 kΩ and meter B with a range of 0-300 V and multiplier resistance of 298 kΩ? Both meter movements have a resistance of 2 kΩ.

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

A 500kVA distribution transformer having copper and iron losses of 5kW and 3kW respectively on full load. The transformer is loaded as shown below: Loading (kW) Power Factor (Lag) No. of hours 400 0.8 06 300 0.75 12 100 0.8 03 No load - 03 Calculate the all-day efficiency.

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

An industrial consumer charged with the scheduled tariff of Rs.250 /kVA per month for maximum demand and 150 paisa per unit consumed for load factor of 60% and 80%. Find overall cost per unit at i) unity P.F. ii) 0.9 P.F. consider maximum demand of 50 kVA.

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

A workshop measures 10m × 25m. The shop is illuminated by 24 lamps of 200 watts each. The lumen efficiency of each lamp is 15 lumens per watt. Depreciation factor is assumed to be 0.8 and a coefficient of utilization 0.5. Determine the illumination on the working plane.

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is 0.01 mm called?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

A 3 φ I.M. has synchronous speed of 250rpm and 4% slip at full load. The rotor has a resistance of 0.02Ω/ph and stand still reactance of 0.15Ω/ph. Calculate i) The speed at which max torque is developed. ii) The ratio of maximum to F. L. torque. iii) The ratio of maximum to starting torque.

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

Is there a 0 in binary?

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

Is 0 black in binary?

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering Mathematics

Solve the following using Taylor’s Series Method (up to 3 terms): \[ \frac{dy}{dx} = x^2 + y, \quad y(0) = 1 \] Find \( y(0.2) \).

Solve the following using Taylor’s Series Method (up to 3 terms): \[ \frac{dy}{dx} = x^2 + y, \quad y(0) = 1 \] Find \( y(0.2) \).
Answer : #### **Solution:** 1. **Taylor Series Expansion:** The Taylor series expansion of \( y(x) \) around \( x = 0 \) is: \[ y(x) = y(0) + x \frac{dy}{dx} \bigg|_{x=0} + \frac{x^2}{2!} \frac{d^2y}{dx^2} \ ... + 0.004 \] \[ = 1.224 \] **Final Answer: \( y(0.2) \approx 1.224 \)**. ---...

View solution

0 like 0 dislike

18 views 1 answer

in Electrical Engineering Mathematics

Solve the linear homogeneous equation \[ D^2y - 5Dy + 6y = 0 \]

Solve the linear homogeneous equation \[ D^2y - 5Dy + 6y = 0 \]
Answer : **Solution:** 1. **Write the auxiliary equation:** \[ m^2 - 5m + 6 = 0 \] 2. **Factorizing the equation:** \[ (m - 2)(m - 3) = 0 \] So, \( m = 2, 3 \). 3. **General ... ** Since both roots are real and distinct, the solution is: \[ y = C_1 e^{2x} + C_2 e^{3x} \]...

View solution