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? 2.2 mA 2 mA 21.4 mA 214 mA 2.2 mA 2 mA 21.4 mA 214 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. 4 40 20 2 4 40 20 2 ANSWER DOWNLOAD EXAMIANS APP
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? 960 V 96 V 8 V 9.6 V 960 V 96 V 8 V 9.6 V 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 3.1 31 385 38.5 3.1 31 385 38.5 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law A resistance of 3.3 M is connected across a 500 V source. The resulting current is approximately 660 mA 66 mA 15.1 µA 151 µA 660 mA 66 mA 15.1 µA 151 µA 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? 183 66 18.3 6.6 183 66 18.3 6.6 ANSWER DOWNLOAD EXAMIANS APP
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