Ohm's Law A resistance of 3.3 M is connected across a 500 V source. The resulting current is approximately 15.1 µA 151 µA 66 mA 660 mA 15.1 µA 151 µA 66 mA 660 mA ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law What is the approximate resistance of a rheostat if the voltage source is 18 V and the current is 220 mA? 8.2 820 8.2 k 82 8.2 820 8.2 k 82 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Twelve volts are applied across a resistor. A current of 3 mA is measured. What is the value of the resistor? 4 4 k 4.4 400 4 4 k 4.4 400 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 How much resistance is required to limit the current from a 12 V battery to 3.6 mA? 22 k 3.3 k 2.2 k 33 k 22 k 3.3 k 2.2 k 33 k ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately 385 31 3.1 38.5 385 31 3.1 38.5 ANSWER DOWNLOAD EXAMIANS APP