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? 18 V 0 V 900 mV 9 V 18 V 0 V 900 mV 9 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Approximately how many milliamperes of current flow through a circuit with a 40 V source and 6.8 k of resistance? 590 mA 59 mA 27.2 mA 5.9 mA 590 mA 59 mA 27.2 mA 5.9 mA ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law What is the voltage source for a circuit carrying 2 A of current through a 36 resistor? 1.8 V 18 V 7.2 V 72 V 1.8 V 18 V 7.2 V 72 V 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? 3.3 k 33 k 2.2 k 22 k 3.3 k 33 k 2.2 k 22 k ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law A resistance of 3.3 M is connected across a 500 V source. The resulting current is approximately 660 mA 151 µA 66 mA 15.1 µA 660 mA 151 µA 66 mA 15.1 µA 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 38.5 3.1 31 385 38.5 3.1 31 ANSWER DOWNLOAD EXAMIANS APP
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