Question 1

A parallel circuit is formed when one or more components are connected in series with a voltage source.

Accepted Answer

A) True 
 B)False

Question 2

The combined equivalent resistance across the main line in a parallel circuit can be found by dividing the common voltage across the parallel resistances by the total current of all branches.

Accepted Answer

A) True 
 B)False

Question 3

When two or more components are connected across a voltage source a

Accepted Answer

A)  series circuit is formed 
B)  series-parallel circuit is formed 
C)  parallel circuit is formed 
D)  short circuit is formed 
A)  series circuit is formed 
B)  series-parallel circuit is formed 
C)  parallel circuit is formed 
D)  short circuit is formed

Question 4

A common application of parallel circuits is typical house wiring to the power line.

Accepted Answer

A) True 
 B)False

Question 5

With power removed from a short-circuited parallel circuit, an ohmmeter will measure ______________ ohms across all the branches.

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  none of these are correct 
A)  0 
B)  1 
C)  2 
D)  none of these are correct

Question 6

A combination of parallel branches is often called a

Accepted Answer

A)  patch 
B)  loop 
C)  bank 
D)  prototype 
A)  patch 
B)  loop 
C)  bank 
D)  prototype

Question 7

The pair of leads connecting all the branches to the terminals of the voltage source is the

Accepted Answer

A)  main line 
B)  mine line 
C)  twin leads 
D)  darlington pair 
A)  main line 
B)  mine line 
C)  twin leads 
D)  darlington pair

Question 8

Putting more resistance into a parallel circuit

Accepted Answer

A)  lowers the equivalent resistance 
B)  raises the equivalent resistance 
C)  increases the applied voltage 
D)  decreases total power 
A)  lowers the equivalent resistance 
B)  raises the equivalent resistance 
C)  increases the applied voltage 
D)  decreases total power

Question 9

What would happen to the branch currents in a parallel circuit if one of the branches became short-circuited?

Accepted Answer

A)  Currents would increase slightly 
B)  Currents would be maximum 
C)  Currents would decrease to zero 
D)  Currents would decrease slightly 
A)  Currents would increase slightly 
B)  Currents would be maximum 
C)  Currents would decrease to zero 
D)  Currents would decrease slightly

Question 10

Whose law states that the total current in the main line in a parallel circuit equals the sum of the individual branch currents?

Accepted Answer

A)  Ohm 
B)  Lenz 
C)  Kirchhoff 
D)  Fourier 
A)  Ohm 
B)  Lenz 
C)  Kirchhoff 
D)  Fourier

Question 11

If resistance is equal in all branches, the combined equivalent resistance equals the value of one branch resistance divided by the number of branches.

Accepted Answer

A) True 
 B)False

Question 12

In a parallel circuit, the total current supplied by the applied voltage must equal

Accepted Answer

A)  the current through any one branch 
B)  the sum of all individual branch currents 
C)  the applied voltage divided by any one branch resistance 
D)  applied voltage divided by total branch power 
A)  the current through any one branch 
B)  the sum of all individual branch currents 
C)  the applied voltage divided by any one branch resistance 
D)  applied voltage divided by total branch power

Question 13

Typical house wiring is a common application of

Accepted Answer

A)  parallel circuits 
B)  series circuits 
C)  series-parallel circuits 
D)  dc circuits 
A)  parallel circuits 
B)  series circuits 
C)  series-parallel circuits 
D)  dc circuits

Question 14

Any circuit that provides one common voltage across all components is a

Accepted Answer

A)  parallel circuit 
B)  series circuit 
C)  series-parallel circuit 
D)  short circuit 
A)  parallel circuit 
B)  series circuit 
C)  series-parallel circuit 
D)  short circuit

Question 15

A parallel circuit is any circuit that provides one common voltage across all components.

Accepted Answer

A) True 
 B)False

Question 16

An advantage of having only one pair of connecting leads to the source for all the parallel branches is that usually

Accepted Answer

A)  more power is dissipated 
B)  less power is dissipated 
C)  more wire is necessary 
D)  less wire is necessary 
A)  more power is dissipated 
B)  less power is dissipated 
C)  more wire is necessary 
D)  less wire is necessary

Question 17

The reciprocal resistance formula is derived from the fact that total current is the sum of all the branch currents.

Accepted Answer

A) True 
 B)False

Question 18

In a parallel circuit, the pair of leads connecting all the branches to the terminals of the voltage source is the main line.

Accepted Answer

A) True 
 B)False

Question 19

If the resistance is equal in all parallel branches, the combined equivalent resistance equals the

Accepted Answer

A)  applied voltage divided by total current 
B)  sum of all resistances 
C)  sum of all conductances 
D)  value of one branch resistance divided by the number of branches 
A)  applied voltage divided by total current 
B)  sum of all resistances 
C)  sum of all conductances 
D)  value of one branch resistance divided by the number of branches

Question 20

The total current in a parallel circuit must equal the sum of all individual branch currents.

Accepted Answer

A) True 
 B)False

Exam 6: Parallel Circuits

A parallel circuit is formed when one or more components are connected in series with a voltage source.

The combined equivalent resistance across the main line in a parallel circuit can be found by dividing the common voltage across the parallel resistances by the total current of all branches.

When two or more components are connected across a voltage source a

A common application of parallel circuits is typical house wiring to the power line.

With power removed from a short-circuited parallel circuit, an ohmmeter will measure ______________ ohms across all the branches.

A combination of parallel branches is often called a

The pair of leads connecting all the branches to the terminals of the voltage source is the

Putting more resistance into a parallel circuit

What would happen to the branch currents in a parallel circuit if one of the branches became short-circuited?

Whose law states that the total current in the main line in a parallel circuit equals the sum of the individual branch currents?

If resistance is equal in all branches, the combined equivalent resistance equals the value of one branch resistance divided by the number of branches.

In a parallel circuit, the total current supplied by the applied voltage must equal

Typical house wiring is a common application of

Any circuit that provides one common voltage across all components is a

A parallel circuit is any circuit that provides one common voltage across all components.

An advantage of having only one pair of connecting leads to the source for all the parallel branches is that usually

The reciprocal resistance formula is derived from the fact that total current is the sum of all the branch currents.

In a parallel circuit, the pair of leads connecting all the branches to the terminals of the voltage source is the main line.

If the resistance is equal in all parallel branches, the combined equivalent resistance equals the

The total current in a parallel circuit must equal the sum of all individual branch currents.

Introduction

Electricity

Resistors

Ohms Law

Series Circuits

Series-Parallel Circuits

Voltage Dividers and Current Dividers

Analog and Digital Multimeters

Kirchhoff S Laws

Network Theorems

Conductors and Insulators

Batteries

Magnetism

Electromagnetism

Alternating Voltage and Current

Capacitance

Capacitive Reactance

Capacitive Circuits

Inductance

Inductive Reactance

Inductive Circuits

RC and LR Time Constants

Alternating Current Circuits

Complex Numbers for Ac Circuits

Resonance

Filters

Three-Phase Ac Power Systems

Diodes and Diode Applications

Bipolar Junction Transistors

Transistor Amplifiers

Field Effect Transistors

Power Amplifiers

Thyristors

Operational Amplifiers

Filters