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? 96 V 9.6 V 960 V 8 V 96 V 9.6 V 960 V 8 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? 4 400 4 k 4.4 4 400 4 k 4.4 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. 20 2 4 40 20 2 4 40 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 1.2 112 11.2 18 1.2 112 11.2 18 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much current is produced by a voltage of 18 kV across a 15 k resistance? 12 A 12 mA 120 mA 1.2 A 12 A 12 mA 120 mA 1.2 A 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? 18.3 183 6.6 66 18.3 183 6.6 66 ANSWER DOWNLOAD EXAMIANS APP
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