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What is the difference between sensitivity and selectivity in receivers?

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What is the difference between sensitivity and selectivity in receivers?

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Define the terms related to Protective Relay: i) Selectivity ii) Sensitivity.

Define the terms related to Protective Relay: i) Selectivity ii) Sensitivity.

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What is the function of a logic selectivity scheme in ring main unit protection?

What is the function of a logic selectivity scheme in ring main unit protection?

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What is the function of a logic selectivity scheme in radial network protection?

What is the function of a logic selectivity scheme in radial network protection?

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What is the purpose of a limiter in FM receivers?

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How does AGC work in radio receivers?

How does AGC work in radio receivers?
Answer : AGC (Automatic Gain Control) is a feature in radio receivers that automatically adjusts the volume or gain to ensure that the audio output remains at a consistent level, even when the strength of the ... weak the incoming signal is. It's useful in situations where the radio signal fluctuates a lot....

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in Electrical Engineering

Explain the concept of reciprocal mixing in radio receivers.

Explain the concept of reciprocal mixing in radio receivers.

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Explain the concept of image rejection in superheterodyne receivers.

Explain the concept of image rejection in superheterodyne receivers.
Answer : In a **superheterodyne receiver**, the goal is to convert the received radio frequency (RF) signal into a lower intermediate frequency (IF) for easier processing. This is achieved ... crucial for clear, accurate reception of the desired radio signal without interference from unwanted frequencies....

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Explain the concept of image frequency in radio receivers.

Explain the concept of image frequency in radio receivers.

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What is the function of a squelch circuit in radio receivers?

What is the function of a squelch circuit in radio receivers?

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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.

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.

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Name the material used and the sensitivity of the following thermocouple type: (i) J (ii) K (iii) R (iv) S.

Name the material used and the sensitivity of the following thermocouple type: (i) J (ii) K (iii) R (iv) S.

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Define Reliability and Sensitivity.

Define Reliability and Sensitivity.

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How does a negative sequence directional element enhance protection selectivity?

How does a negative sequence directional element enhance protection selectivity?

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How do you perform a sensitivity analysis on inverter systems?

How do you perform a sensitivity analysis on inverter systems?

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What is the current sensitivity of galvanometer?

What is the current sensitivity of galvanometer?

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What is the formula for current sensitivity of galvanometer?

What is the formula for current sensitivity of galvanometer?

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What is the SI unit of voltage sensitivity?

What is the SI unit of voltage sensitivity?

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What is the formula of charge sensitivity of galvanometer?

What is the formula of charge sensitivity of galvanometer?

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What is the SI unit of sensitivity?

What is the SI unit of sensitivity?

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How does gate sensitivity affect SCR operation?

How does gate sensitivity affect SCR operation?

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How does an LNA (Low Noise Amplifier) improve receiver sensitivity?

How does an LNA (Low Noise Amplifier) improve receiver sensitivity?

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State the meaning of the following: (i) Sensitivity (ii) Deflecting torque

State the meaning of the following: (i) Sensitivity (ii) Deflecting torque

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What is the difference between a battery bank and a single battery in UPS?

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What is the difference between DC and AC in UPS systems?

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What is the difference between series and parallel operation in SMPS?

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What is the difference between series and parallel wiring in electrical circuits?

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What is the difference between grounding and bonding in electrical wiring?

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What is the difference between primary and backup protection in a power system?

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What is the difference between white noise and pink noise in electronic systems?

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What is the difference between positive and negative feedback in a circuit?

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What is the difference between hard knee and soft knee in compression?

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