Ohm's Law How much voltage is needed to produce 2.5 A of current through a 200 resistor? 50 V 80 V 500 V 8 V 50 V 80 V 500 V 8 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law The formula to find I when the values of V and R are known is I = VR I = V/R V = IR I = R/V I = VR I = V/R V = IR I = R/V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Twelve volts are applied across a resistor. A current of 3 mA is measured. What is the value of the resistor? 4.4 4 4 k 400 4.4 4 4 k 400 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much resistance is required to limit the current from a 12 V battery to 3.6 mA? 22 k 2.2 k 3.3 k 33 k 22 k 2.2 k 3.3 k 33 k ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law If 750 µA is flowing through 11 k of resistance, what is the voltage drop across the resistor? 14.6 V 146 V 8.25 V 82.5 V 14.6 V 146 V 8.25 V 82.5 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law A 120 V lamp-dimming circuit is controlled by a rheostat and protected from excessive current by a 3 A fuse. To what minimum resistance value can the rheostat be set without blowing the fuse? Assume a lamp resistance of 20 ohms. 40 20 2 4 40 20 2 4 ANSWER DOWNLOAD EXAMIANS APP
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