A. 2 watts
B. 4 watts
C. 6 watts
D. 12 watts
Varistors are______________?
A. insulators
B. non-linear resistors
C. carbon resistors
D. resistors with zero temperature coefficient
Conductance : mho :: ____________?
A. resistance : ohm
B. capacitance : henry
C. inductance : farad
D. lumen : steradian
A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is_____________?
A. 6.4 A, 6.9 A
B. 6.4 A, 9.6 A
C. 4.6 A, 6.9 A
D. 4.6 A, 9.6 A
Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct ?
A. 100 W lamp will glow brighter
B. 40 W lamp will glow brighter
C. Both lamps will glow equally bright
D. 40 W lamp will fuse
If 1 A current flows in a circuit, the number of electrons flowing through this circuit is
A. 0.625 × 1019
B. 1.6 × 1019
C. 1.6 × 10-19
D. 0.625 × 10-19
The charge of one electron is 1.6 × 10 – 19 coulomb. Again 1 A current means transferring of 1 coulomb charge per one second.
All of the following are equivalent to watt except_____________?
A. (amperes) ohm
B. joules/seC.
C. amperes x volts
D. amperes/volt