Ohm's Law What is the approximate resistance setting of a rheostat in which 650 mA of current flows with a 150 V source? 23 9.7 230 97 23 9.7 230 97 ANSWER DOWNLOAD EXAMIANS APP
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 11.2 112 1.2 18 11.2 112 1.2 18 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law A resistor is connected across a 50 V source. What is the current in the resistor if the color code is red, orange, orange, silver? 2 mA 2.2 mA 214 mA 21.4 mA 2 mA 2.2 mA 214 mA 21.4 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. 20 40 2 4 20 40 2 4 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? 5.9 mA 590 mA 27.2 mA 59 mA 5.9 mA 590 mA 27.2 mA 59 mA ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law A resistance of 3.3 M is connected across a 500 V source. The resulting current is approximately 660 mA 15.1 µA 151 µA 66 mA 660 mA 15.1 µA 151 µA 66 mA ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS