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? 8 V 96 V 9.6 V 960 V 8 V 96 V 9.6 V 960 V 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 4 k 400 4.4 4 4 k 400 4.4 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
Ohm's Law How much resistance is required to limit the current from a 12 V battery to 3.6 mA? 3.3 k 2.2 k 22 k 33 k 3.3 k 2.2 k 22 k 33 k ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much resistance is needed to draw 17.6 mA from a 12 volt source? 680 68 6.8 k 212 680 68 6.8 k 212 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law The formula to find I when the values of V and R are known is I = VR V = IR I = R/V I = V/R I = VR V = IR I = R/V I = V/R ANSWER DOWNLOAD EXAMIANS APP
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