The electrical force between charges depends only on the charges

You build an electric circuit with a resistance of 10Ω and battery that can supply a potential difference of 12 V across the resistor. If you now connect an ammeter between the cell and the resistor, what will be the reading on the ammeter?

Group of answer choices

4.8 A

1.2 A

0.83 A

2.2 A

Question

Which of the following is likely to happen when a conductor is connected between the poles of a cell?

Group of answer choices

The conductor will quickly melt.

Protons in the conductor will move causing a current.

A potential difference will be established between the ends of the conductor.

The conductor will develop a resistance.

Question

Which of the following statements is correct about Coulomb's law?

Group of answer choices

The force between two charges increases when the distance between them decreases.

The force between two charges increases when the distance between them increases.

The force between two charges depends only on the charges and not the distance between them.

The force between two charges decreases when the distance between them decreases.

A transformer has 5000 turns on its primary windings and 1000 turns on its secondary windings. If the input primary voltage is 120 V, what is the output secondary voltage?

Group of answer choices

12 V

10 V

24 V

15 V

Question

An amount of charge 150 C passes through a conductor in 50 seconds. What is the current in this conductor? Remember to check the unit.

Group of answer choices

2.0 A

3.0 A

2.0 V

3.0 V

Question

What is the energy consumed by a 60 W bulb in 1 hour?

Group of answer choices

3600 J

120 J

216000 J

60 J

Question

5 J of work is required to move 1 C of charge from one end of a conductor to the other. What is the potential difference between the ends of the conductor?

Group of answer choices

15 v

0.2 V

5 V

300 V

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