Ohm's Law The formula to find I when the values of V and R are known is I = VR V = IR I = V/R I = R/V I = VR V = IR I = V/R I = R/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 900 mV 18 V 9 V 0 V 900 mV 18 V 9 V 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? 18.3 66 6.6 183 18.3 66 6.6 183 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 66 mA 151 µA 15.1 µA 660 mA 66 mA 151 µA 15.1 µA 660 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? 72 V 7.2 V 1.8 V 18 V 72 V 7.2 V 1.8 V 18 V 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? 82 8.2 k 820 8.2 82 8.2 k 820 8.2 ANSWER DOWNLOAD EXAMIANS APP
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