Ohm's Law Twelve volts are applied across a resistor. A current of 3 mA is measured. What is the value of the resistor? 4.4 400 4 k 4 4.4 400 4 k 4 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law The formula to find I when the values of V and R are known is I = R/V I = VR I = V/R V = IR I = R/V I = VR I = V/R V = IR ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Four amperes of current are measured through a 24 resistor connected across a voltage source. How much voltage does the source produce? 8 V 960 V 96 V 9.6 V 8 V 960 V 96 V 9.6 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law What is the approximate resistance of a rheostat if the voltage source is 18 V and the current is 220 mA? 82 820 8.2 k 8.2 82 820 8.2 k 8.2 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? 900 mV 9 V 0 V 18 V 900 mV 9 V 0 V 18 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 13.6 V 34.4 V 340 V 1.36 V 13.6 V 34.4 V 340 V ANSWER DOWNLOAD EXAMIANS APP
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