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? 21.4 mA 2.2 mA 2 mA 214 mA 21.4 mA 2.2 mA 2 mA 214 mA ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately 3.1 31 385 38.5 3.1 31 385 38.5 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 66 mA 15.1 µA 660 mA 151 µA 66 mA 15.1 µA 660 mA 151 µA ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law The formula to find I when the values of V and R are known is V = IR I = VR I = R/V I = V/R V = IR I = VR I = R/V I = V/R 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? 230 23 97 9.7 230 23 97 9.7 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 0 V 900 mV 18 V 9 V 0 V 900 mV 18 V ANSWER DOWNLOAD EXAMIANS APP
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