BMET CDC Set A VOL 3 || 100% Correct Answers.
77. (421) With positive logic, what does a circle (negation symbol) on the output of a gate
represent?
a. The output will always be a low.
b. The output will always be a high.
c. When activated, the output will be a low.
d. When activated, the output will be a high. correct answers c. When activated, the output will
be a low.
1. (401) Resistors are classified by their
a. size.
b. shape.
c. power rating only.
d. ohmic resistance and power rating. correct answers d. ohmic resistance and power rating.
2. (401) What protects a circuit from excessive current?
a. Fuse.
b. Battery.
c. Resistor.
d. Capacitor. correct answers a. Fuse.
3. (401) What is the relationship between current, voltage, and resistance in a circuit?
a. Current is inversely proportional to the applied voltage and inversely proportional to the
circuit resistance.
b. Current is inversely proportional to the applied voltage and directly proportional to the circuit
resistance.
c. Current is directly proportional to the applied voltage and inversely proportional to the circuit
resistance.
, d. Current is directly proportional to the applied voltage and directly proportional to the circuit
resistance. correct answers c. Current is directly proportional to the applied voltage and inversely
proportional to the circuit resistance.
4. (401) Given a circuit with a source voltage E of 45 volts (V) and resistance R of 5 ohms (Ω),
what is the circuit's current I in amperes (A)?
a. 9A.
b. 11A.
c. 22.5A.
d. 225A. correct answers a. 9A.
5. (401) What is the applied voltage E in volts (V) of a circuit if the current I is 3 amperes (A)
and the resistance R is 45 ohms (Ω)?
a. 13.5V.
b. 15V.
c. 90V.
d. 135V. correct answers d. 135V.
6. (401) If applied voltage E of 48 volts (V) produces a circuit current of 0.5 amperes (A), the
circuit resistance in ohms (Ω) is
a. 24Ω.
b. 56Ω.
c. 96Ω.
d. 144Ω. correct answers c. 96Ω.
7. (401) Which is an example of work not being done?
a. Using mechanical force to push an object.
b. Applying voltage to a circuit to move electrons.
c. Using mechanical force to lift or move a weight.
, d. A compressed spring acting between two fixed objects. correct answers d. A compressed
spring acting between two fixed objects.
8. (401) If the voltage across the load is 20 volts (V) and the current through the load is 4
amperes (A), the power delivered in watts (W) to the load is
a. 20W.
b. 40W.
c. 60W.
d. 80W. correct answers d. 80W.
9. (401) If the current through the load is 4 amperes (A) and the load resistance is 4 ohms (Ω),
the power in watts (W) delivered to the load is a.4W.
b. 8W.
c. 32W.
d. 64W. correct answers d. 64W.
10. (401) Total electrical energy expended in an electrical circuit can be defined as the product of
a. resistance and power.
b. current and voltage.
c. time and power.
d. time and current. correct answers c. time and power.
11. (402) In a series circuit, R1, R2, and R3 are 20 ohms (Ω) each and the applied voltage is 180
volts (V). The current in amperes (A) through R2 is
a. 1A.
b. 3A.
c. 6A.
d. 9A. correct answers b. 3A.
77. (421) With positive logic, what does a circle (negation symbol) on the output of a gate
represent?
a. The output will always be a low.
b. The output will always be a high.
c. When activated, the output will be a low.
d. When activated, the output will be a high. correct answers c. When activated, the output will
be a low.
1. (401) Resistors are classified by their
a. size.
b. shape.
c. power rating only.
d. ohmic resistance and power rating. correct answers d. ohmic resistance and power rating.
2. (401) What protects a circuit from excessive current?
a. Fuse.
b. Battery.
c. Resistor.
d. Capacitor. correct answers a. Fuse.
3. (401) What is the relationship between current, voltage, and resistance in a circuit?
a. Current is inversely proportional to the applied voltage and inversely proportional to the
circuit resistance.
b. Current is inversely proportional to the applied voltage and directly proportional to the circuit
resistance.
c. Current is directly proportional to the applied voltage and inversely proportional to the circuit
resistance.
, d. Current is directly proportional to the applied voltage and directly proportional to the circuit
resistance. correct answers c. Current is directly proportional to the applied voltage and inversely
proportional to the circuit resistance.
4. (401) Given a circuit with a source voltage E of 45 volts (V) and resistance R of 5 ohms (Ω),
what is the circuit's current I in amperes (A)?
a. 9A.
b. 11A.
c. 22.5A.
d. 225A. correct answers a. 9A.
5. (401) What is the applied voltage E in volts (V) of a circuit if the current I is 3 amperes (A)
and the resistance R is 45 ohms (Ω)?
a. 13.5V.
b. 15V.
c. 90V.
d. 135V. correct answers d. 135V.
6. (401) If applied voltage E of 48 volts (V) produces a circuit current of 0.5 amperes (A), the
circuit resistance in ohms (Ω) is
a. 24Ω.
b. 56Ω.
c. 96Ω.
d. 144Ω. correct answers c. 96Ω.
7. (401) Which is an example of work not being done?
a. Using mechanical force to push an object.
b. Applying voltage to a circuit to move electrons.
c. Using mechanical force to lift or move a weight.
, d. A compressed spring acting between two fixed objects. correct answers d. A compressed
spring acting between two fixed objects.
8. (401) If the voltage across the load is 20 volts (V) and the current through the load is 4
amperes (A), the power delivered in watts (W) to the load is
a. 20W.
b. 40W.
c. 60W.
d. 80W. correct answers d. 80W.
9. (401) If the current through the load is 4 amperes (A) and the load resistance is 4 ohms (Ω),
the power in watts (W) delivered to the load is a.4W.
b. 8W.
c. 32W.
d. 64W. correct answers d. 64W.
10. (401) Total electrical energy expended in an electrical circuit can be defined as the product of
a. resistance and power.
b. current and voltage.
c. time and power.
d. time and current. correct answers c. time and power.
11. (402) In a series circuit, R1, R2, and R3 are 20 ohms (Ω) each and the applied voltage is 180
volts (V). The current in amperes (A) through R2 is
a. 1A.
b. 3A.
c. 6A.
d. 9A. correct answers b. 3A.
