Networks

-4

A lightning bolt carrying 15,000 A lasts for 100 s. If the lightning strikes an airplane flying at 2 km, the charge deposited on the plane is

A. 13.33 µC
B. 75 C
C. 1500 µC
D. 1.5 C

-3
In the circuit of fig P1.1.6 a charge of 600 C is delivered to the 100 V source in a 1 minute. The value of v1 must be


A. 240 V
B. 120 V
C. 60 V
D. 30 V

-2

Req  ?


A. 11.86 Ω
B. 10 Ω
C. 25 Ω
D. 11.18 Ω

-1

The energy required to charge a 10 F capacitor to 100 V is

A. 0.10 J
B. 0.05 J
C. 5 x 10-9 J
D. 10 x 10-9 J