What formula is used to calculate current in a circuit?

1. A I = E x R
2. B I = E / R
3. C I = E2 x R
4. D I = E2 / R

What formula is used to calculate voltage in a circuit?

1. A E = I x R
2. B E = I / R
3. C E = I2 x R
4. D E = I2 / R

What formula is used to calculate resistance in a circuit?

1. A R = E x I
2. B R = E / I
3. C R = E + I
4. D R = E - I

What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

1. A 3 ohms
2. B 30 ohms
3. C 1/30 ohm
4. D 270 ohms

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

1. A 18 ohms
2. B 0.125 ohms
3. C 8 ohms
4. D 13.5 ohms

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

1. A 3 ohms
2. B 16 ohms
3. C 48 ohms
4. D 8 ohms

What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

1. A 9600 amperes
2. B 200 amperes
3. C 0.667 amperes
4. D 1.5 amperes

What is the current through a 100-ohm resistor connected across 200 volts?

1. A 20,000 amperes
2. B 0.5 amperes
3. C 2 amperes
4. D 100 amperes

What is the current through a 24-ohm resistor connected across 240 volts?

1. A 2400 amperes
2. B 0.1 amperes
3. C 10 amperes
4. D 5760 amperes

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

1. A 1 volt
2. B 0.25 volts
3. C 2.5 volts
4. D 1.5 volts

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

1. A 1 volt
2. B 10 volts
3. C 11 volts
4. D 9 volts

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

1. A 8 volts
2. B 0.2 volts
3. C 12 volts
4. D 20 volts

In which type of circuit is the current always the same through all components?

1. A Series
2. B Parallel
3. C Resonant
4. D Branch

In which type of circuit is the voltage always the same across all components?

1. A Series
2. B Parallel
3. C Resonant
4. D Branch