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 112 11.2 18 1.2 112 11.2 18 1.2 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 12 A 1.2 A 12 mA 120 mA 12 A 1.2 A 12 mA ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law A resistor is connected across a 50 V source. What is the current in the resistor if the color code is red, orange, orange, silver? 2 mA 214 mA 21.4 mA 2.2 mA 2 mA 214 mA 21.4 mA 2.2 mA 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 4.4 4 k 4 400 4.4 4 k ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law If 24 V are applied across a resistor and there are 10.9 mA of current, the resistance is 220 2.2 k 220 k 22 k 220 2.2 k 220 k 22 k 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 20 4 40 2 20 4 40 ANSWER DOWNLOAD EXAMIANS APP
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