Ohm's Law What is the approximate resistance of a rheostat if the voltage source is 18 V and the current is 220 mA? 820 8.2 8.2 k 82 820 8.2 8.2 k 82 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law The current through a flashlight bulb is 40 mA and the total battery voltage is 4.5 V. The resistance of the bulb is approximately 1.2 112 18 11.2 1.2 112 18 11.2 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law A current of 200 µA through a 6.8 k resistor produces a voltage drop of 34.4 V 340 V 13.6 V 1.36 V 34.4 V 340 V 13.6 V 1.36 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law You are measuring the current in a circuit that is operated on an 18 V battery. The ammeter reads 40 mA. Later you notice the current has dropped to 20 mA. How much has the voltage changed? 0 V 18 V 9 V 900 mV 0 V 18 V 9 V 900 mV ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law What is the voltage source for a circuit carrying 2 A of current through a 36 resistor? 18 V 7.2 V 1.8 V 72 V 18 V 7.2 V 1.8 V 72 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much current is produced by a voltage of 18 kV across a 15 k resistance? 1.2 A 120 mA 12 mA 12 A 1.2 A 120 mA 12 mA 12 A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS