Ohm's Law When 12 V are applied across a 68 resistor, the current is 816 mA 176 mA 8.16 mA 17.6 mA 816 mA 176 mA 8.16 mA 17.6 mA ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law If 750 µA is flowing through 11 k of resistance, what is the voltage drop across the resistor? 8.25 V 146 V 14.6 V 82.5 V 8.25 V 146 V 14.6 V 82.5 V 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 33 k 22 k 3.3 k 2.2 k 33 k 22 k ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law You are measuring the current in a circuit that is operated on an 18 V battery. The ammeter reads 40 mA. Later you notice the current has dropped to 20 mA. How much has the voltage changed? 9 V 900 mV 0 V 18 V 9 V 900 mV 0 V 18 V 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 = V/R I = R/V I = VR V = IR I = V/R I = R/V 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 2 20 4 40 2 20 4 ANSWER DOWNLOAD EXAMIANS APP