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Current
Potential Difference
Resistance
Power
100
The equation used to calculate Current.
What is I=V/R
100
The equation used to calculate Potential Difference.
What is V=W/Q
100
The equation used to calculate Resistance.
What is R=V/I
100
The equation used to calculate Power.
What is P= I x V or I= P/V or V= P/I
200
A resistor has 30 volts across it. Its resistance is 3.5 ohms. What is the current?
What is 8.6 A
200
When 5 C of charge are moved between two points in an electric field, 20 J of work are done. Calculate the potential difference between the two points.
What is 4 V
200
Two resistances R1 and R2 give a combined resistance of 4.5 ohms when in series and 1 ohm when in parallel. The resistances are: (A) 3 ohms and 6 ohms (B) 3 ohms and 9 ohms (C) 1.5 ohms and 3 ohms (D) 1.5 ohms and 0.5 ohms
What is (C) 1.5 ohms and 3 ohms
200
For 12 V and 40 mA, the power is ?
What is 480 mW
300
A resistor has 25 volts across it. Its resistance is 2.5 ohms. What is the current? (A) 15 A (B) 7 A (C) 12 A (D) 10 A
What is (D) 10 A
300
When 10 C of charge are moved between two points in an electric field, 100 J of work are done. Calculate the potential difference between the two points.
What is 10 V
300
The potential difference across a component is 12 volts and the current through it is 0.37 amps, what is the resistance of the component?
What is 32 ohms
300
For 20 V and 10 A, the power is?
What is 200 W
400
A resistor has 3 volts across it. Its resistance is 1.5 ohms. What is the current? (A) 3A (B) 12A (C) 2A (D) 1.5A
What is (C) 2A
400
When 6 C of charge are moved between two points in an electric field, 54 J of work are done. Calculate the potential difference between the two points.
What is 9 V
400
A resistor has 10 volts across it and 4 amps going through it. What is its resistance? (A) 2.5 ohms (B) 3.5 ohms (C) 4.5 ohms (D) None of the above
What is (A) 2.5 ohms
400
There are 30 volts and 15 amps. What is the power?
What is 450 W
500
A 1 ohm resistor has 5 volts DC across its terminals. What is the current (I) and the power consumed? (A) I = 5A & P = 25W. (B) I = 5A & P = 5W. (C) I = 5A & P = 9W (D) I = 5A & P = 3W.
What is (A) I= 5A & P= 25W
500
When 20 C of charge are moved between two points in an electric field, 100 J of work are done. Calculate the potential difference between the two points.
What is 5 V
500
If an object has 125V and a current of 5A, what is the resistance? (A) 35 ohms (B) 20 ohms (C) 25 ohms (D) 40 ohms
What is (C) 25 ohms
500
For 15 V and 20 A, the power is?
What is 300 W