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? 9 V 900 mV 18 V 0 V 9 V 900 mV 18 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law If 24 V are applied across a resistor and there are 10.9 mA of current, the resistance is 220 2.2 k 220 k 22 k 220 2.2 k 220 k 22 k ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law When there is 12 mA of current through a 1.2 k resistor, the voltage across the resistor is 10 V 100 V 1.4 V 14.4 V 10 V 100 V 1.4 V 14.4 V 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 3.1 31 38.5 385 3.1 31 38.5 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law What is the approximate filament resistance of a light bulb if it operates from a 110 V source and 0.6 A of current is flowing? 6.6 18.3 66 183 6.6 18.3 66 183 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
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