Question 1

If the load supplied by the battery, described above, should increase, what will happen to its terminal voltage?

Accepted Answer

A)  It will decrease further 
B)  It will remain unchanged 
C)  It will increase 
A)  It will decrease further 
B)  It will remain unchanged 
C)  It will increase A

Question 2

The potential difference appearing across a voltage source's terminals, when supplying a load, will be

Accepted Answer

A)  lower than its e.m.f. 
B)  equal to its e.m.f. 
C)  greater than its e.m.f 
A)  lower than its e.m.f. 
B)  equal to its e.m.f. 
C)  greater than its e.m.f A

Question 3

As the load increases, the terminal voltage of a voltage source will

Accepted Answer

A)  decrease further 
B)  remain unaffected 
C)  increase further 
A)  decrease further 
B)  remain unaffected 
C)  increase further A

Question 4

The sum of the voltage drops around any closed loop, including the internal voltage drop within a voltage source, is equal to the

Accepted Answer

A)  internal voltage drop 
B)  e.m.f. of the voltage source 
C)  external voltage drop 
A)  internal voltage drop 
B)  e.m.f. of the voltage source 
C)  external voltage drop

Question 5

What's likely to happen to the internal resistance of a generator when its load increases?

Accepted Answer

A)  It will remain the same 
B)  It will increase, due to an increase in its temperature 
C)  It will decrease, due to a decrease in its temperature 
A)  It will remain the same 
B)  It will increase, due to an increase in its temperature 
C)  It will decrease, due to a decrease in its temperature

Question 6

A battery has an e.m.f. of 12 V and an internal resistance of 500 milliohms. What will be its terminal voltage, when supplying a load of 20 ohms?

Accepted Answer

A)  0.293 V 
B)  11.7 V 
C)  12V 
A)  0.293 V 
B)  11.7 V 
C)  12V

Question 7

A voltage source's internal resistance is effectively in __________ with its external load

Accepted Answer

A)  series 
B)  parallel 
C)  series-parallel 
A)  series 
B)  parallel 
C)  series-parallel

Question 8

The potential difference appearing across a voltage source's terminals, when there is no load connected is termed its

Accepted Answer

A)  no-load voltage 
B)  open-circuit voltage 
C)  electromotive force 
D)  any of the above 
A)  no-load voltage 
B)  open-circuit voltage 
C)  electromotive force 
D)  any of the above

If the load supplied by the battery, described above, should increase, what will happen to its terminal voltage?

The potential difference appearing across a voltage source's terminals, when supplying a load, will be

As the load increases, the terminal voltage of a voltage source will

The sum of the voltage drops around any closed loop, including the internal voltage drop within a voltage source, is equal to the

What's likely to happen to the internal resistance of a generator when its load increases?

A battery has an e.m.f. of 12 V and an internal resistance of 500 milliohms. What will be its terminal voltage, when supplying a load of 20 ohms?

A voltage source's internal resistance is effectively in __________ with its external load

The potential difference appearing across a voltage source's terminals, when there is no load connected is termed its

The Electron Theory of Electricity

Electric Current

Potential and Potential Difference

Resistance

Practical Conductors and Insulators

Effect of Temperature Change Upon Resistance

Ohms Law of Constant Proportionality

Series, Parallel and Series-Parallel Circuits

Cells and Batteries

Energy, Work, Heat and Power

Magnetism

Electromagnetism

Magnetic Circuits

Electromagnetic Induction

Capacitors and Capacitance

Introduction to Alternating Current

Series Alternating-Current Circuits

Power in Alternating-Current Circuits

Parallel Alternating-Current Circuits

Power Factor Improvement

Balanced Three-Phase Ac Systems

Filters

Exam 10: Internal Resistance of Voltage Sources

If the load supplied by the battery, described above, should increase, what will happen to its terminal voltage?

The potential difference appearing across a voltage source's terminals, when supplying a load, will be

As the load increases, the terminal voltage of a voltage source will

The sum of the voltage drops around any closed loop, including the internal voltage drop within a voltage source, is equal to the

What's likely to happen to the internal resistance of a generator when its load increases?

A battery has an e.m.f. of 12 V and an internal resistance of 500 milliohms. What will be its terminal voltage, when supplying a load of 20 ohms?

A voltage source's internal resistance is effectively in __________ with its external load

The potential difference appearing across a voltage source's terminals, when there is no load connected is termed its

The Electron Theory of Electricity

Electric Current

Potential and Potential Difference

Resistance

Practical Conductors and Insulators

Effect of Temperature Change Upon Resistance

Ohms Law of Constant Proportionality

Series, Parallel and Series-Parallel Circuits

Cells and Batteries

Energy, Work, Heat and Power

Magnetism

Electromagnetism

Magnetic Circuits

Electromagnetic Induction

Capacitors and Capacitance

Introduction to Alternating Current

Series Alternating-Current Circuits

Power in Alternating-Current Circuits

Parallel Alternating-Current Circuits

Power Factor Improvement

Balanced Three-Phase Ac Systems

Filters