Ohm's Law When 12 V are applied across a 68 resistor, the current is 8.16 mA 816 mA 176 mA 17.6 mA 8.16 mA 816 mA 176 mA 17.6 mA 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 4 2 20 40 4 2 20 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much current is produced by a voltage of 18 kV across a 15 k resistance? 120 mA 1.2 A 12 mA 12 A 120 mA 1.2 A 12 mA 12 A ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be? 320 V 32 V 3.2 V 8 V 320 V 32 V 3.2 V 8 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law A current of 200 µA through a 6.8 k resistor produces a voltage drop of 34.4 V 340 V 13.6 V 1.36 V 34.4 V 340 V 13.6 V 1.36 V 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? 0 V 18 V 900 mV 9 V 0 V 18 V 900 mV 9 V ANSWER DOWNLOAD EXAMIANS APP
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