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ECE · Q85

Measurement And Instrumentation

Engineering and GATE · ECE · question 85

Q85

A sinusoidal voltage of amplitude 150 V has been applied to a circuit having a rectifying device and prevents flow of current in one direction and offers a resistance of 15 Ω for the flow of current in the other direction. If hot wire type and PMMC type instruments are connected in this circuit to measure the electric current, their readings would respectively be:

A.
3.18 A and 5 A
Answer
B.
7.07 A and 3.18 A
C.
3.18 A and 5 mA
D.
5 A and 3.18 mA

Answer: Option A

Solution

Answer: Option A
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