ICSE Class 11 Electricity and Electronics by Pavan | Practice Test to Test Your Knowledge
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  3. ICSE Class 11 Electricity and Electronics
ICSE Class 11 Electricity and Electronics

ICSE Class 11 Electricity and Electronics

Detailed Mock test on Electricity and Electronics, covering circuits, components, and practical applications.

2025-07-19
Pavan Pavan
ICSE Class 11 Grade 11

Duration

30 min

Questions

30

Marking

Negative

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Questions Preview

What is the basic unit of charge in electricity?

A
Coulomb
B
Ampere
C
Volt
D
Ohm

Which part of the atom carries a negative charge?

A
Protons
B
Neutrons
C
Electrons
D
Nucleus

What is the potential difference between two points in an electric circuit measured in?

A
Coulombs
B
Amperes
C
Volts
D
Ohms

What is electromotive force (emf)?

A
The energy supplied per unit charge by the source
B
The resistance of a circuit
C
The rate of flow of charge in the circuit
D
The potential difference between two points

Which of the following methods is used to produce electricity?

A
Friction
B
Magnetism
C
Chemical action
D
All of the above

What does the symbol 'I' represent in an electric circuit?

A
Current
B
Voltage
C
Resistance
D
Energy

What is the formula for electric current?

A
I = Q / t
B
V = I * R
C
R = V / I
D
E = I * t

Which of the following is the unit of electric current?

A
Coulomb
B
Ampere
C
Volt
D
Ohm

What is the value of 1 Ampere in terms of Coulombs?

A
1 Coulomb per second
B
1 Coulomb per minute
C
1 Coulomb per hour
D
1 Coulomb per millisecond

What does Ohm's Law state?

A
V = I * R
B
I = V / R
C
R = V / I
D
All of the above

In an electric circuit, what does 'R' represent in Ohm's Law?

A
Voltage
B
Current
C
Resistance
D
Power

What is the relationship between current (I), voltage (V), and resistance (R) according to Ohm's Law?

A
I = V / R
B
V = I * R
C
R = V / I
D
All of the above

What is the SI unit of resistance?

A
Ohm
B
Volt
C
Ampere
D
Coulomb

What is the total resistance in a series circuit?

A
Sum of individual resistances
B
Product of individual resistances
C
Average of individual resistances
D
None of the above

What is the effect of increasing resistance on the current in a circuit with a constant voltage source?

A
The current decreases
B
The current increases
C
The current remains constant
D
The current becomes zero

Which of the following is true for a parallel circuit?

A
The total resistance is less than the smallest resistance
B
The total resistance is the sum of individual resistances
C
The current is the same in all branches
D
The total current is equal to the sum of individual currents

Which of the following is true for the voltage across each component in a parallel circuit?

A
The voltage across each component is the same
B
The voltage across each component is different
C
The voltage increases as you move further from the source
D
The voltage decreases with the increase in resistance

In an electric circuit, the power consumed is given by which of the following equations?

A
P = V * I
B
P = I * R
C
P = V * R
D
P = R * I

Which of the following is true about electric current in a series circuit?

A
The current is the same at all points in the circuit
B
The current increases as you move away from the source
C
The current depends on the resistance of individual components
D
The current is split between components

What is the relationship between voltage, current, and resistance according to Ohm's Law?

A
V = I * R
B
I = V / R
C
R = V / I
D
All of the above

In an electric circuit, when the total resistance increases, what happens to the current?

A
The current decreases
B
The current increases
C
The current remains the same
D
The current becomes zero

What does the term 'electromotive force' (emf) refer to?

A
The energy provided by a source per unit charge
B
The rate of flow of charge in a circuit
C
The voltage drop across the resistors in a circuit
D
The resistance of the circuit

In an electric circuit, the power consumed by a resistor is given by which formula?

A
P = I^2 * R
B
P = V^2 / R
C
P = V * I
D
P = R * I

What happens when an electric current passes through a conductor?

A
It produces heat
B
It produces light
C
It produces a magnetic field
D
All of the above

Which of the following is a correct expression for calculating total resistance in a parallel circuit?

A
1/R = 1/R1 + 1/R2 + ... + 1/Rn
B
R = R1 + R2 + ... + Rn
C
R = V/I
D
R = I * V

In a series circuit, the current through all components is

A
The same
B
Different in each branch
C
Zero
D
None of the above

What happens to the total current in a parallel circuit as more branches are added?

A
The total current increases
B
The total current decreases
C
The total current remains the same
D
The total current becomes zero

What is the function of a battery in an electric circuit?

A
To provide electromotive force (emf) to drive the current
B
To increase the current
C
To decrease the resistance
D
To regulate the voltage

Which of the following is the correct unit for power in an electric circuit?

A
Watt
B
Volt
C
Ampere
D
Ohm

Which of the following is true about the electric potential in an electric circuit?

A
It is the energy per unit charge
B
It is the rate of flow of charge
C
It is the resistance in the circuit
D
It is the total energy consumed in the circuit