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1

what is electric current?

it is the flow of charge

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2

what is the unit of current?

Amperes (A)

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3

what is the direction of conventional current?

positive to negative terminal

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4

what is electromotive force?

The electromotive force is the work done in driving a charge around a complete circuit.

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5

what is potential difference?

Potential difference is the work done in driving a charge through a component.

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6

what is resistance?

Resistance is the opposition to current

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7

what is the unit of resistance?

Ohms

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8

what is electrical power?

Power is the rate of energy transfer

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9

state ohm’s law?

Ohm’s law states that resistance is directly proportional to current when physical conditions such as the temperature are constant.

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10

what is the function of capacitors?

Store electrical energy in an electric field.

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11

what is the function of inductors?

Store energy in a magnetic field.

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12

what is alternating current?

Alternating current constantly changes direction, going back and forth in a circuit.

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13

state kirchoff’s current law

The total current entering a junction equals the total current leaving the junction.

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14

state kirchoffs voltage law

The sum of all voltages around a closed loop equals zero.

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