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Why is the voltage higher at night?
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In three pin plug 6 Amp. 220v AC rating. why earth pin diameter is higher than other two pin? what its purpose ?

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Why is the emf of a battery always slightly higher than the potential difference?

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Why is the emf of a battery always slightly higher than the potential difference that it can provide to an electric circuit?

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Why is the resistance higher when the wire is longer?

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

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At what voltage is a 12V lead acid battery fully charged?

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What is the voltage at 50% discharge of lead acid battery?

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What is the voltage at A node?
Answer : To determine the voltage at node A, I would need more information, such as the circuit diagram, the components connected to node A, and any given values for voltages, currents, or resistances in the ... the circuit elements involved? This will help me guide you in finding the voltage at node A....

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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.

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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.

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Calculate speed of motor when delivery maximum voltage. Also calculate the resistance to be added to achieve 3/4th of maximum torque at time of starting.

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Why use the VCB at High Transmission System ? Why can’t use ACB?

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Why induction motor draws heavy current at starting?

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Why field rheostat is kept in minimum position while armature rheostat at maximum position?

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In the motors starting purpose why the armature rheostats at maximum position while the field rheostat is kept in minimum position?

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Why is electricity transferred by the national grid at A high PD but low current?

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Why KVL and KCL are not applicable at high frequency?

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Why Ohms law is not applicable at very low temperature?

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Why do semiconductors behave as conductors at room temperature Class 12?

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Why Ohms law is not applicable at variable temperature?

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Why Ohm's law is not applicable at very low temperature?

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Which type of connection of the 3Φ system is preferred at the point of utilization? Why?

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Does a higher dielectric constant mean higher polarity?

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Does higher dielectric constant mean higher conductivity?

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Which has higher resistivity and alloy or a pure metal?

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