A photographic flash unit consists of a xenon-filled tube. It gives a flash of average power $2000 W$ for $0.04 s$ . The flash is due to discharge of a fully charged capacitor of $40 μ F$ . The voltage to which it is charged before a flash is given by the unit is

Question

A photographic flash unit consists of a xenon-filled tube. It gives a flash of average power

2000 W

for

0.04 s

. The flash is due to discharge of a fully charged capacitor of

40 μ F

. The voltage to which it is charged before a flash is given by the unit is

Toppr Admin · Accepted Answer

Correct option is B- -2000-V

A photographic flash unit consists of a xenon-filled tube. It gives a flash of average power $$2000$$W for $$0.04$$s. The flash is due to discharge of a fully charged capacitor of $$40\mu F$$. The voltage to which it is charged before a flash is given by the unit is?