2.3 KiB
2.3 KiB
T5D – Ohm’s Law; Series and parallel circuits
- T5D01 (B)
What formula is used to calculate current in a circuit? #card
- A. I = E R
- B. I = E / R
- C. I = E + R
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D. I = E - R
- T5D02 (A)
What formula is used to calculate voltage in a circuit? #card
- A. E = I x R
- B. E = I / R
- C. E = I + R
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D. E = I - R
- T5D03 (B)
What formula is used to calculate resistance in a circuit? #card
- A. R = E x I
- B. R = E / I
- C. R = E + I
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D. R = E - I
- T5D04 (B)
What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts? #card
- A. 3 ohms
- B. 30 ohms
- C. 93 ohms
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D. 270 ohms
- T5D05 (C)
What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes? #card
- A. 18 ohms
- B. 0.125 ohms
- C. 8 ohms
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D. 13.5 ohms
- T5D06 (A)
What is the resistance of a circuit that draws 4 amperes from a 12-volt source? #card
- A. 3 ohms
- B. 16 ohms
- C. 48 ohms
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D. 8 ohms
- T5D07 (D)
What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms? #card
- A. 9600 amperes
- B. 200 amperes
- C. 0.667 amperes
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D. 1.5 amperes
- T5D08 (C)
What is the current through a 100-ohm resistor connected across 200 volts? #card
- A. 20,000 amperes
- B. 0.5 amperes
- C. 2 amperes
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D. 100 amperes
- T5D09 (C)
What is the current through a 24-ohm resistor connected across 240 volts? #card
- A. 24,000 amperes
- B. 0.1 amperes
- C. 10 amperes
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D. 216 amperes
- T5D10 (A)
What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it? #card
- A. 1 volt
- B. 0.25 volts
- C. 2.5 volts
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D. 1.5 volts
- T5D11 (B)
What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it? #card
- A. 1 volt
- B. 10 volts
- C. 11 volts
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D. 9 volts
- T5D12 (D)
What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it? #card
- A. 8 volts
- B. 0.2 volts
- C. 12 volts
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D. 20 volts
- T5D13 (A)
In which type of circuit is DC current the same through all components? #card
- A. Series
- B. Parallel
- C. Resonant
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D. Branch
- T5D14 (B)
In which type of circuit is voltage the same across all components? #card
- A. Series
- B. Parallel
- C. Resonant
- D. Branch