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
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 18 V 0 V 9 V 900 mV 18 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law What is the approximate resistance setting of a rheostat in which 650 mA of current flows with a 150 V source? 97 23 230 9.7 97 23 230 9.7 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much voltage is needed to produce 2.5 A of current through a 200 resistor? 50 V 8 V 80 V 500 V 50 V 8 V 80 V 500 V 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 340 V 1.36 V 34.4 V 13.6 V 340 V 1.36 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. 20 40 2 4 20 40 2 4 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS