
10 Multiple choice questions on DC Circuits, Series and Parallel resistors, and Kirchhoff's Rules. Only one answer choice should be correct
Quiz by Physics Without Tears
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10 questions
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- Q1What is the formula for calculating resistance in a circuit?Joule's LawFaraday's LawAmpere's LawOhm's Law30s
- Q2What happens to the total resistance in a series circuit when a resistor is added?IncreasesDecreasesBecomes zeroStays the same30s
- Q3What is the formula for calculating total resistance in a series circuit?Rtotal = R1 x R2 x R3...Rtotal = R1 + R2 + R3...Rtotal = R1 - R2 - R3...Rtotal = 1/R1 + 1/R2 + 1/R3...30s
- Q4What happens to the total resistance in a parallel circuit when a resistor is added?Becomes zeroStays the sameDecreasesIncreases30s
- Q5What is the formula for calculating total resistance in a parallel circuit?Rtotal = R1 + R2 + R3...Rtotal = R1 - R2 - R3...Rtotal = R1 x R2 x R3...1/Rtotal = 1/R1 + 1/R2 + 1/R3...30s
- Q6What are Kirchhoff's Rules?Conservation of Charge and Conservation of MomentumConservation of Energy and Conservation of MomentumConservation of Mass and Conservation of EnergyConservation of Energy and Conservation of Charge30s
- Q7In a circuit, what does the junction rule state?The total resistance of a junction is equal to the total resistance of the circuitThe total current flowing into a junction is equal to the total current flowing outThe total voltage drop across a junction is equal to the total voltage gainThe total power dissipated across a junction is equal to the total power supplied30s
- Q8In a circuit, what does the loop rule state?The sum of the resistances around a closed loop is equal to zeroThe sum of the powers dissipated around a closed loop is equal to zeroThe sum of the voltage drops around a closed loop is equal to zeroThe sum of the currents flowing around a closed loop is equal to zero30s
- Q9What happens to the total current in a parallel circuit when a resistor is added?Stays the sameDecreasesBecomes zeroIncreases30s
- Q10What is the formula for calculating total current in a parallel circuit?It = V/RIt = P/VIt = V/IIt = I1 + I2 + I3...30s