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 18 V 900 mV 0 V 9 V 18 V 900 mV 0 V 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 14.4 V 100 V 1.4 V 10 V 14.4 V 100 V 1.4 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law The formula to find I when the values of V and R are known is I = V/R V = IR I = VR I = R/V I = V/R V = IR I = VR I = R/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 151 µA 66 mA 15.1 µA 660 mA 151 µA 66 mA 15.1 µA 660 mA 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 2.2 k 220 k 22 k 220 2.2 k 220 k 22 k 220 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? 183 6.6 18.3 66 183 6.6 18.3 66 ANSWER DOWNLOAD EXAMIANS APP