Question 1

A multiloop circuit is given.It is not necessary to solve the entire circuit.In the figure shown,the emf ε1 is closest to:

Accepted Answer

A) -28 V 
B) 28 V 
C) 68 V 
D) 72 V 
E) -72 V 
A) -28 V 
B) 28 V 
C) 68 V 
D) 72 V 
E) -72 V A

Question 2

A multiloop circuit is given.It is not necessary to solve the entire circuit.In the figure shown,the current I1 is closest to:

Accepted Answer

A) -3 A 
B) 3 A 
C) 10 A 
D) -10 A 
E) zero 
A) -3 A 
B) 3 A 
C) 10 A 
D) -10 A 
E) zero A

Question 3

Why is it appropriate that electromotive force be measured in volts?

Accepted Answer

Electromotive force is work per unit charge done by a source.

Question 4

The potential across the terminals of a store-bought 1.5 V AAA battery always remains at 1.5 V unless the battery has gone dead.

Accepted Answer

A) True 
 B)False

Question 5

The resistors in the circuit shown each have a resistance of 600 Ω.What is the equivalent resistance of the circuit?

Accepted Answer

A) 600 Ω 
B) 2400 Ω 
C) 150 Ω 
D) 1200 Ω 
A) 600 Ω 
B) 2400 Ω 
C) 150 Ω 
D) 1200 Ω

Question 6

Draw a circuit consisting of a battery connected to two resistors,R1 and R2,in series with each other and a capacitor C connected across the resistors.

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Question 7

A 4.0 μF capacitor is connected in series to a resistor.If an emf source is connected in series to this arrangement,and if the voltage drop across the capacitor is one-half the applied emf .0 ms after the emf source has been connected,what is the resistance of the circuit?

Accepted Answer

A) 2.9 kΩ 
B) 1.4 kΩ 
C) 0.35 kΩ 
D) 0.72 kΩ 
A) 2.9 kΩ 
B) 1.4 kΩ 
C) 0.35 kΩ 
D) 0.72 kΩ

Question 8

A multiloop circuit is given.It is not necessary to solve the entire circuit.In the figure shown,the current I2 is closest to:

Accepted Answer

A) -2 A 
B) 2 A 
C) 8 A 
D) -8 A 
E) zero 
A) -2 A 
B) 2 A 
C) 8 A 
D) -8 A 
E) zero

Question 9

A multiloop circuit is given.It is not necessary to solve the entire circuit.In the figure shown,the potential difference Vag is closest to:

Accepted Answer

A) -12 V 
B) 28 V 
C) -28 V 
D) -60 V 
E) 60 V 
A) -12 V 
B) 28 V 
C) -28 V 
D) -60 V 
E) 60 V

Question 10

What is the current through resistor R1 in this circuit?

Accepted Answer

A) 0.040 A 
B) 0.10 A 
C) 0.022 A 
D) 0.0089 A 
A) 0.040 A 
B) 0.10 A 
C) 0.022 A 
D) 0.0089 A

Question 11

Which will drain a battery faster,a circuit with a resistance of 10 kΩ or a circuit with a resistance of 1Ω?

Accepted Answer

A circuit

Question 12

Initially,for the circuit shown,the switch S is open and the capacitor voltage is 80 V.The switch S is closed at time t = 0.In the figure shown,the capacitor voltage when the time t is equal to 40.0 s is closest to:

Accepted Answer

A) 53 V 
B) 60 V 
C) 66 V 
D) 73 V 
E) 80 V 
A) 53 V 
B) 60 V 
C) 66 V 
D) 73 V 
E) 80 V

Question 13

A circuit has a branch in it.If the current in each of the two paths that leave the branch is   how much current does the wire coming into the branch carry?

Accepted Answer

The answer of A circuit has a branch in it.If...

Question 14

What is the current through resistor R1 in the circuit shown?

Accepted Answer

A) 0.30 A 
B) 0.20 A 
C) 0.00 A 
D) 5.72 A 
A) 0.30 A 
B) 0.20 A 
C) 0.00 A 
D) 5.72 A

Question 15

Ohm's law is a fundamental law of physics and is therefore obeyed by all materials.

Accepted Answer

A) True 
 B)False

Question 16

Each of the resistors in the circuit shown have a resistance of 160.0 Ω.What is the equivalent resistance of the circuit?

Accepted Answer

A) 400.0 Ω 
B) 640.0 Ω 
C) 480.0 Ω 
D) 160.0 Ω 
A) 400.0 Ω 
B) 640.0 Ω 
C) 480.0 Ω 
D) 160.0 Ω

Question 17

The high potential end of a resistor is the end at which the current enters it.

Accepted Answer

A) True 
 B)False

Question 18

-In the figure shown,what is the power dissipated in the 2 ohm resistance in the circuit?

Accepted Answer

A) 5.33 W 
B) 8.0 W 
C) 6.67 W 
D) 2.67 W 
E) 3.56 W 
A) 5.33 W 
B) 8.0 W 
C) 6.67 W 
D) 2.67 W 
E) 3.56 W

Question 19

Of voltmeters and ammeters,which is/are connected in series?

Accepted Answer

The answer of Of voltmeters and ammeters,which is/are connected in...

Question 20

Draw a circuit with a battery connected to four resistors,R1,R2,R3,and R4.Resistors R1 and R2 are connected in parallel,resistors R3 and R4 are connected in parallel,and both parallel pairs of resistors are connected in series.

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Exam 23: Circuits

A multiloop circuit is given.It is not necessary to solve the entire circuit.In the figure shown,the emf ε1 is closest to:

A multiloop circuit is given.It is not necessary to solve the entire circuit.In the figure shown,the current I1 is closest to:

Why is it appropriate that electromotive force be measured in volts?

The potential across the terminals of a store-bought 1.5 V AAA battery always remains at 1.5 V unless the battery has gone dead.

The resistors in the circuit shown each have a resistance of 600 Ω.What is the equivalent resistance of the circuit?

Draw a circuit consisting of a battery connected to two resistors,R1 and R2,in series with each other and a capacitor C connected across the resistors.

A 4.0 μF capacitor is connected in series to a resistor.If an emf source is connected in series to this arrangement,and if the voltage drop across the capacitor is one-half the applied emf .0 ms after the emf source has been connected,what is the resistance of the circuit?

A multiloop circuit is given.It is not necessary to solve the entire circuit.In the figure shown,the current I2 is closest to:

A multiloop circuit is given.It is not necessary to solve the entire circuit.In the figure shown,the potential difference Vag is closest to:

What is the current through resistor R1 in this circuit?

Which will drain a battery faster,a circuit with a resistance of 10 kΩ or a circuit with a resistance of 1Ω?

Initially,for the circuit shown,the switch S is open and the capacitor voltage is 80 V.The switch S is closed at time t = 0.In the figure shown,the capacitor voltage when the time t is equal to 40.0 s is closest to:

A circuit has a branch in it.If the current in each of the two paths that leave the branch is how much current does the wire coming into the branch carry?

What is the current through resistor R1 in the circuit shown?

Ohm's law is a fundamental law of physics and is therefore obeyed by all materials.

Each of the resistors in the circuit shown have a resistance of 160.0 Ω.What is the equivalent resistance of the circuit?

The high potential end of a resistor is the end at which the current enters it.

-In the figure shown,what is the power dissipated in the 2 ohm resistance in the circuit?

Of voltmeters and ammeters,which is/are connected in series?

Draw a circuit with a battery connected to four resistors,R1,R2,R3,and R4.Resistors R1 and R2 are connected in parallel,resistors R3 and R4 are connected in parallel,and both parallel pairs of resistors are connected in series.

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

A multiloop circuit is given.It is not necessary to solve the entire circuit.In the figure shown,the emf ε₁ is closest to:

A multiloop circuit is given.It is not necessary to solve the entire circuit.In the figure shown,the current I₁ is closest to:

Draw a circuit consisting of a battery connected to two resistors,R₁and R₂,in series with each other and a capacitor C connected across the resistors.

A multiloop circuit is given.It is not necessary to solve the entire circuit.In the figure shown,the current I₂ is closest to:

A multiloop circuit is given.It is not necessary to solve the entire circuit.In the figure shown,the potential difference V_agis closest to:

What is the current through resistor R₁ in this circuit?

What is the current through resistor R₁ in the circuit shown?

Draw a circuit with a battery connected to four resistors,R₁,R₂,R₃,and R₄.Resistors R₁ and R₂ are connected in parallel,resistors R₃ and R₄ are connected in parallel,and both parallel pairs of resistors are connected in series.