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 18 V 900 mV 0 V 9 V 18 V 900 mV 0 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law A current of 200 µA through a 6.8 k resistor produces a voltage drop of 1.36 V 34.4 V 13.6 V 340 V 1.36 V 34.4 V 13.6 V 340 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? 33 k 3.3 k 22 k 2.2 k 33 k 3.3 k 22 k 2.2 k 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 = V/R I = R/V I = VR V = IR I = V/R I = R/V I = VR 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 214 mA 2.2 mA 21.4 mA 2 mA 214 mA 2.2 mA 21.4 mA ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much voltage is needed to produce 2.5 A of current through a 200 resistor? 8 V 500 V 80 V 50 V 8 V 500 V 80 V 50 V ANSWER DOWNLOAD EXAMIANS APP