1. What is the current in milliamperes produced by the solar cells of a pocket calculator through which 4.00 C of charge passes in 4.00 h?

19. Calculate the effective resistance of a pocket calculator that has a 1.35-V battery and through which 0.200 mA flows.

25.

The diameter of 0-gauge copper wire is 8.252 mm. Find the resistance of a 1.00-km length of such wire used for power transmission.

45.

Verify that the units of a volt-ampere are watts, as implied by the equation =

73.

Certain heavy industrial equipment uses AC power that has a peak voltage of 679 V. What is the rms voltage?

89.

Foolishly trying to fish a burning piece of bread from a toaster with a metal butter knife, a man comes into contact with 120-V AC. He does not even feel it since, luckily, he is wearing rubber-soled shoes. What is the minimum resistance of the path the current follows through the person?