A 40.0 W bulb in a desk lamp is switched on for 4.6 hour while you study for * 1 point your physics exam. The energy used during this time can be expressed as following. The value of a, b and c are a. bc x 10d kW . h Your answer A circuit is rated at 1.50 W. If this circuit has an electrical resistance of 119 * 1 point 0. The current it draws can be expressed as the following, The values of a, b and c are a. bc X 10- A Your answer An 18.0 A welder is used for maintenance aboard the submarine. When * 1 point plugged into a 220 V circuit, the resistance of the welder, to the nearest tenth, is Your