Physics Test 90

Result

Physics Test 90

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Weekly Quiz Competition

Question 1
4 / -1

The power factor in a circuit connected to an AC power supply has a value which is

(i) zero when the circuit contains an ideal inductance only

(ii) unity when the circuit contains an ideal resistance only

(iii) zero when the circuit contains an ideal resistance only

(iv) zero when the circuit contains an ideal capacitance only

A
(ii), (iii), (iv)

B
(i), (ii), (iv)

C
(i), (iii), (iv)

D
(ii), (iii)

Question 2

4 / -1

Match the List–I with List–II.

List–I (Instruments)		List–II (Based on)
(P)	Hot wire ammeter	(1)	Heating effect of current
(Q)	Moving coil galvanometer	(2)	Mutual induction
(R)	Transformer	(3)	Magnetic effect of current
(S)	Post office box	(4)	Wheatstone bridge