T5C

Question 1

T5C01 (D)
What is the ability to store energy in an electric field called?

1 Inductance
2 Resistance
3 Tolerance
4 Capacitance

Answer 1

4 Capacitance

Question 2

T5C02 (A)
What is the basic unit of capacitance?

1 The farad
2 The ohm
3 The volt
4 The henry

Answer 2

1 The farad

Question 3

T5C03 (D)
What is the ability to store energy in a magnetic field called?

1 Admittance
2 Capacitance
3 Resistance
4 Inductance

Answer 3

4 Inductance

Question 4

T5C04 (C)
What is the basic unit of inductance?

1 The coulomb
2 The farad
3 The henry
4 The ohm

Answer 4

3 The henry

Question 5

T5C05 (A)
What is the unit of frequency?

1 Hertz
2 Henry
3 Farad
4 Tesla

Answer 5

1 Hertz

Question 6

T5C08 (A)
What is the formula used to calculate electrical power in a DC circuit?

1   Power (P) equals voltage (E) multiplied by current (I)
2  Power (P) equals voltage (E) divided by current (I)
3  Power (P) equals voltage (E) minus current (I)
4  Power (P) equals voltage (E) plus current (I)

Answer 6

1 Power (P) equals voltage (E) multiplied by current (I)

Question 7

T5C09 (A)
How much power is being used in a circuit when the applied voltage is 13.8 volts DC and the current is 10 amperes?

1 138 watts
2 0.7 watts
3 23.8 watts
4 3.8 watts

Answer 7

1 138 watts

Question 8

T5C10 (B)
How much power is being used in a circuit when the applied voltage is 12 volts DC and the current is 2.5 amperes?

1 4.8 watts
2 30 watts
3 14.5 watts
4 0.208 watts

Answer 8

2 30 watts

Question 9

T5C11 (B)
How many amperes are flowing in a circuit when the applied voltage is 12 volts DC and the load is 120 watts?

1 0.1 amperes
2 10 amperes
3 12 amperes
4 132 amperes

Answer 9

2 10 amperes

Question 10

T5C12 (A)
What is impedance?

1 A measure of the opposition to AC current flow in a 2
circuit
2 The inverse of resistance
3 The Q or Quality Factor of a component
4 The power handling capability of a component

Answer 10

1 A measure of the opposition to AC current flow in a 2

circuit

Question 11

T5C13 (D)
What is a unit of impedance?

1 Volts
2 Amperes
3 Coulombs
4 Ohms

Answer 11

4 Ohms