Question 1

How are the two batteries in the figure connected? State whether they are in parallel or in series and give the polarity of each battery at its connection to the other.

Accepted Answer

A) in series,positive to positive 
B) in series,negative to negative 
C) in parallel,positive to positive 
D) in series,positive to negative 
A) in series,positive to positive 
B) in series,negative to negative 
C) in parallel,positive to positive 
D) in series,positive to negative

Question 2

A 1.0 μF capacitor is charged until it acquires a potential difference of 700.0 V across its plates,then the emf source is removed.If the capacitor is then discharged through a 200.0 kΩ resistance of a circuit,what is the voltage drop across the capacitor 7.0 ms later?

Accepted Answer

A) 680 V 
B) 720 V 
C) 24 V 
D) -25 V 
A) 680 V 
B) 720 V 
C) 24 V 
D) -25 V

Question 3

Initially,for the circuit shown,the switch S is open and the capacitor is uncharged.The switch S is closed at time t = 0.In the figure shown,when the time t is equal to 8.0 s,the charge on the capacitor,in μC,is closest to:

Accepted Answer

A) 2300 
B) 1800 
C) 2700 
D) 3200 
E) 3600 
A) 2300 
B) 1800 
C) 2700 
D) 3200 
E) 3600

Question 4

A 9 V battery is hooked up to two resistors in series.One has a resistance of 5 Ω,and the other has a resistance of 10 Ω.Several locations along the circuit are marked with letters,as shown in the figure.Which statement is true?

Accepted Answer

A) The current at A is equal to the current at B,which is equal to the current at C,which is equal to the current at D. 
B) The current at A is greater than the current at B,which is equal to the current at C,which is greater than the current at D. 
C) The current at A is greater than the current at B,which is greater than the current at C,which is greater than the current at D. 
A) The current at A is equal to the current at B,which is equal to the current at C,which is equal to the current at D. 
B) The current at A is greater than the current at B,which is equal to the current at C,which is greater than the current at D. 
C) The current at A is greater than the current at B,which is greater than the current at C,which is greater than the current at D.

How are the two batteries in the figure connected? State whether they are in parallel or in series and give the polarity of each battery at its connection to the other.

A 1.0 μF capacitor is charged until it acquires a potential difference of 700.0 V across its plates,then the emf source is removed.If the capacitor is then discharged through a 200.0 kΩ resistance of a circuit,what is the voltage drop across the capacitor 7.0 ms later?

Initially,for the circuit shown,the switch S is open and the capacitor is uncharged.The switch S is closed at time t = 0.In the figure shown,when the time t is equal to 8.0 s,the charge on the capacitor,in μC,is closest to:

A 9 V battery is hooked up to two resistors in series.One has a resistance of 5 Ω,and the other has a resistance of 10 Ω.Several locations along the circuit are marked with letters,as shown in the figure.Which statement is true?

Representing Motion

Motion in One Dimension

Vectors and Motion in Two Dimensions

Forces and Newtons Laws of Motion

Applying Newtons Laws

Circular Motion,orbits,and Gravity

Rotational Motion

Equilibrium and Elasticity

Momentum

Energy and Work

Using Energy

Thermal Properties of Matter

Fluids

Oscillations

Traveling Waves and Sound

Superposition and Standing Waves

Wave Optics

Ray Optics

Optical Instruments

Electric Fields and Forces

Electric Potential

Current and Resistance

Magnetic Fields and Forces

Electromagnetic Induction and Electromagnetic Waves

Ac Electricity

Relativity

Quantum Physics

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Exam 23: Circuits

How are the two batteries in the figure connected? State whether they are in parallel or in series and give the polarity of each battery at its connection to the other.

A 1.0 μF capacitor is charged until it acquires a potential difference of 700.0 V across its plates,then the emf source is removed.If the capacitor is then discharged through a 200.0 kΩ resistance of a circuit,what is the voltage drop across the capacitor 7.0 ms later?

Initially,for the circuit shown,the switch S is open and the capacitor is uncharged.The switch S is closed at time t = 0.In the figure shown,when the time t is equal to 8.0 s,the charge on the capacitor,in μC,is closest to:

A 9 V battery is hooked up to two resistors in series.One has a resistance of 5 Ω,and the other has a resistance of 10 Ω.Several locations along the circuit are marked with letters,as shown in the figure.Which statement is true?

Representing Motion

Motion in One Dimension

Vectors and Motion in Two Dimensions

Forces and Newtons Laws of Motion

Applying Newtons Laws

Circular Motion,orbits,and Gravity

Rotational Motion

Equilibrium and Elasticity

Momentum

Energy and Work

Using Energy

Thermal Properties of Matter

Fluids

Oscillations

Traveling Waves and Sound

Superposition and Standing Waves

Wave Optics

Ray Optics

Optical Instruments

Electric Fields and Forces

Electric Potential

Current and Resistance

Magnetic Fields and Forces

Electromagnetic Induction and Electromagnetic Waves

Ac Electricity

Relativity

Quantum Physics

Atoms and Molecules

Nuclear Physics

Filters