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 20 40 2 4 20 40 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 9.6 V 8 V 96 V 960 V 9.6 V 8 V 96 V 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 15.1 µA 660 mA 66 mA 151 µA 15.1 µA 660 mA 66 mA 151 µA ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law What is the voltage source for a circuit carrying 2 A of current through a 36 resistor? 1.8 V 18 V 7.2 V 72 V 1.8 V 18 V 7.2 V 72 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Approximately how much current flows through a 3.3 M resistor across a 30 V source? 90 A 9000 A 9 A 900 A 90 A 9000 A 9 A 900 A ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law When 12 V are applied across a 68 resistor, the current is 176 mA 8.16 mA 816 mA 17.6 mA 176 mA 8.16 mA 816 mA 17.6 mA ANSWER DOWNLOAD EXAMIANS APP
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