11) In the above question, the average power in the circuit is ……….
a) 2500 W
b) 250 W
c) 25 W
d) 1250 W
12) An alternative voltage or current is a ………..
a) scalar quantity
b) vector quantity
c) phasor
d) none of the above
13)The time period of direct current is
a) infinite
b) zero
c) finite
d) cannot say
14) In an a.c. circuit, electrical energy is consumed in
a) L
b) C
c) L and C
d) R
15) The frequency of d.c. in India is
a) 50 Hz
b) 30 Hz
c) 60 Hz
d) zero
16) An alternating current is converted to direct current by
a) dynamo
b) transformed
c) rectifier
d) motor
17) In comparison to d.c., transmission losses in a.c. are
a) high
b) low
c) negligible
d) none of the above
18) A circuit element that opposes the change in circuit voltage is
a) resistor
b) inductor
c) capacitor
d) all of the above
All The Best!!