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? 214 mA 2.2 mA 2 mA 21.4 mA 214 mA 2.2 mA 2 mA 21.4 mA ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law The formula to find I when the values of V and R are known is V = IR I = R/V I = V/R I = VR V = IR I = R/V I = V/R I = VR 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 20 2 40 4 20 2 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 13.6 V 1.36 V 340 V 34.4 V 13.6 V 1.36 V 340 V 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? 96 V 9.6 V 8 V 960 V 96 V 9.6 V 8 V 960 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Approximately how much current flows through a 3.3 M resistor across a 30 V source? 900 A 9000 A 90 A 9 A 900 A 9000 A 90 A 9 A ANSWER DOWNLOAD EXAMIANS APP
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