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