Ohm's Law The formula to find I when the values of V and R are known is I = V/R I = VR V = IR I = R/V I = V/R I = VR V = IR I = R/V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Four amperes of current are measured through a 24 resistor connected across a voltage source. How much voltage does the source produce? 8 V 9.6 V 960 V 96 V 8 V 9.6 V 960 V 96 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 1.4 V 14.4 V 10 V 100 V 1.4 V 14.4 V 10 V 100 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law What is the approximate resistance setting of a rheostat in which 650 mA of current flows with a 150 V source? 23 97 230 9.7 23 97 230 9.7 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 0 V 18 V 9 V 900 mV 0 V 18 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 18 11.2 112 1.2 18 11.2 112 1.2 ANSWER DOWNLOAD EXAMIANS APP
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