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? 900 mV 0 V 18 V 9 V 900 mV 0 V 18 V 9 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 = R/V I = VR I = V/R V = IR I = R/V I = VR ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law When 12 V are applied across a 68 resistor, the current is 176 mA 8.16 mA 17.6 mA 816 mA 176 mA 8.16 mA 17.6 mA 816 mA ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much voltage is needed to produce 2.5 A of current through a 200 resistor? 8 V 50 V 80 V 500 V 8 V 50 V 80 V 500 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 14.4 V 100 V 10 V 1.4 V 14.4 V 100 V 10 V 1.4 V 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 1.2 11.2 112 18 1.2 11.2 112 18 ANSWER DOWNLOAD EXAMIANS APP
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