Ohm's Law Approximately how many milliamperes of current flow through a circuit with a 40 V source and 6.8 k of resistance? 27.2 mA 590 mA 5.9 mA 59 mA 27.2 mA 590 mA 5.9 mA 59 mA ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately 38.5 3.1 385 31 38.5 3.1 385 31 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law A current of 200 µA through a 6.8 k resistor produces a voltage drop of 340 V 34.4 V 1.36 V 13.6 V 340 V 34.4 V 1.36 V 13.6 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. 2 40 20 4 2 40 20 4 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 9.7 97 230 23 9.7 97 230 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much current is produced by a voltage of 18 kV across a 15 k resistance? 1.2 A 12 A 120 mA 12 mA 1.2 A 12 A 120 mA 12 mA ANSWER DOWNLOAD EXAMIANS APP
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