Question

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 C

(b) 75 C

(c) 1500 C

(d) 1.5 C

This question was posed to me in a job interview.

My query is from Basic Concepts in portion EDC Overview of Electronic Devices & Circuits

Answer 1

Right option is (d) 1.5 C

Easy explanation: dQ = i dt = 15000 x 100µ = 1.5 C.