Question

calculate static resistance R of a diode having I = 40mA and V = 0.75 V​

Answer 1

Answer:

1. A solid copper sphere, 10 cm in diameter is deprived of 1020 electrons by a charging scheme. The charge on the sphere is _________

a) 160.2 C

b) -160.2 C

c) 16.02 C

d) -16.02 C

Answer: c