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Electric Circuits

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

What happens to the total voltage across a parallel combination of identical resistors when another identical resistor is added in parallel?

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

If a capacitor in an RC circuit is replaced with another capacitor having double the capacitance, how will the time constant of the circuit change?

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

What is the unit of electric current?

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

If you double only one resistor's resistance in a parallel circuit at steady state, what happens to its individual power consumption?

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

A capacitor with capacitance C within a steady-state circuit has stored energy W; how will this energy change if its capacitance were doubled while keeping voltage constant?

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

In a series LRC circuit at resonance, what relationship between current and voltage would cause power factor to equal unity?

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

When comparing two light bulbs connected in series versus two identical ones connected in parallel to an ideal battery, how do their brightnesses compare assuming bulb resistance remains constant?

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

How does an insulator affect an electric circuit if placed between two conducting wires?

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

If you double the distance between two point charges, what effect does this have on the electric force between them?

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

What happens to the total energy in a simple closed circuit with a resistor and no other components when it reaches steady state?