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 18 112 11.2 1.2 18 112 11.2 1.2 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law If 24 V are applied across a resistor and there are 10.9 mA of current, the resistance is 22 k 2.2 k 220 220 k 22 k 2.2 k 220 220 k 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 40 4 20 2 40 4 20 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 I = R/V V = IR I = VR I = V/R I = R/V V = IR I = VR ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law When there is 12 mA of current through a 1.2 k resistor, the voltage across the resistor is 14.4 V 1.4 V 10 V 100 V 14.4 V 1.4 V 10 V 100 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law When 12 V are applied across a 68 resistor, the current is 17.6 mA 176 mA 8.16 mA 816 mA 17.6 mA 176 mA 8.16 mA 816 mA ANSWER DOWNLOAD EXAMIANS APP