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 1.2 18 112 11.2 1.2 18 112 11.2 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law The formula to find I when the values of V and R are known is I = V/R V = IR I = R/V I = VR I = V/R V = IR I = R/V I = VR ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much resistance is needed to draw 17.6 mA from a 12 volt source? 212 680 6.8 k 68 212 680 6.8 k 68 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law A current of 200 µA through a 6.8 k resistor produces a voltage drop of 1.36 V 34.4 V 13.6 V 340 V 1.36 V 34.4 V 13.6 V 340 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Approximately how many milliamperes of current flow through a circuit with a 40 V source and 6.8 k of resistance? 59 mA 590 mA 27.2 mA 5.9 mA 59 mA 590 mA 27.2 mA 5.9 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. 2 20 4 40 2 20 4 40 ANSWER DOWNLOAD EXAMIANS APP
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