Ohm's Law The formula to find I when the values of V and R are known is V = IR I = R/V I = VR I = V/R V = IR I = R/V I = VR I = V/R 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 112 18 1.2 11.2 112 18 1.2 11.2 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much resistance is needed to draw 17.6 mA from a 12 volt source? 6.8 k 68 680 212 6.8 k 68 680 212 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much voltage is needed to produce 2.5 A of current through a 200 resistor? 80 V 50 V 8 V 500 V 80 V 50 V 8 V 500 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? 9 V 900 mV 18 V 0 V 9 V 900 mV 18 V 0 V 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
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