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  1. AP Physics C E M
FlashcardFlashcardStudy GuideStudy GuideQuestion BankQuestion Bank

Electric Circuits

Question 1
college-boardPhysics C: E&MAPExam Style
1 mark

Which expression represents electrical power correctly if given quantities of electric potential difference V, charge Q, and time t?

Question 2
college-boardPhysics C: E&MAPExam Style
1 mark

What would happen to the power dissipated by a resistor if the voltage across it is halved and the resistance remains constant?

Question 3
college-boardPhysics C: E&MAPExam Style
1 mark

In an RC circuit with a constant voltage source V0V_0V0​, how does quadrupling the capacitance affect the time it takes for the capacitor to charge to half of V0V_0V0​?

Question 4
college-boardPhysics C: E&MAPExam Style
1 mark

In analyzing an RLC series circuit at resonance driven by an AC source with variable frequency, what aspect crucially determines whether maximum power transfer occurs?

Question 5
college-boardPhysics C: E&MAPExam Style
1 mark

How do you use Ohm's Law to calculate the consumed power (in watts) of a resistor whose known values are voltage (V) and current (I)?

Question 6
college-boardPhysics C: E&MAPExam Style
1 mark

What is the total power consumed in an RLC circuit where the resistor (R), inductor (L), and capacitor (C) are connected in parallel to a voltage source with constant amplitude but variable frequency, and the resonant condition is exceeded?

Question 7
college-boardPhysics C: E&MAPExam Style
1 mark

A circuit consists of two identical resistors in series connected to a constant voltage source; if one resistor dissipates power PPP, what total power does the voltage source supply?

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Question 8
college-boardPhysics C: E&MAPExam Style
1 mark

If a time-varying magnetic field is present within the loops of an ideal transformer, which of the following effects would dominate in determining the power output on the secondary side?

Question 9
college-boardPhysics C: E&MAPExam Style
1 mark

If a purely resistive AC circuit with resistance R=10ΩR = 10 \OmegaR=10Ω is operating at a peak voltage V0V_0V0​ of 170V170 \text{V}170V and an angular frequency ω=100π rad/s\omega = 100 \pi \text{ rad/s}ω=100π rad/s, what is the average power dissipated in the circuit?

Question 10
college-boardPhysics C: E&MAPExam Style
1 mark

What simplification occurs when using Gauss’ Law for electricity on charges distributed uniformly over an infinite plane?