Class 10 Quiz Level 2 (Moderate) – Electricity

Total questions: 20

In a parallel circuit, the total resistance is:

Topic: Series and Parallel Circuits

Deselect Answer

Equal to the highest individual resistance

Less than the smallest individual resistance

Equal to the sum of individual resistances

More than the largest individual resistance

None

If a current of 2A flows through a conductor for 5 seconds, how much charge passes through the conductor?

Topic: Electric Current and Charge

Deselect Answer

10 C

7 C

5 C

2 C

None

An electric iron is rated 1000W, 220V. The current flowing through the iron when connected to 220V is:

Topic: Power Rating of Appliances

Deselect Answer

0.45 A

1.45 A

4.55 A

5.55 A

None

The heat produced in a conductor due to the flow of current is given by:

Topic: Resistive Heating

Deselect Answer

Joule’s law

Ohm’s law

Kirchhoff’s law

Faraday’s law

None

Which of the following statements is true about the heating effect of electric current?

Topic: Heating Effect of Current

Deselect Answer

It is independent of the current

It causes the conductor to cool down

It increases with the increase in current

It is inversely proportional to the resistance

None

Two resistors, 4Ω and 6Ω, are connected in series. What is their equivalent resistance?

Topic: Combination of Resistors

Deselect Answer

10Ω

2.4Ω

1.5Ω

24Ω

None

The energy stored in a capacitor is given by:

Topic: Energy in a Capacitor

Deselect Answer

$\displaystyle \frac{1}{2}C{{V}^{2}}$

$ \displaystyle \frac{1}{2}CV$

$ \displaystyle {{C}^{2}}V$

None

Lenz's Law is related to:

Topic: Lenz's Law

Deselect Answer

The direction of induced current

The magnitude of induced current

The resistance in the circuit

The capacitance in the circuit

None

The intensity of an electric field at a point is defined as:

Topic: Electric Field Intensity

Deselect Answer

The force experienced by a unit positive charge at that point

The potential difference at that point

The current flow at that point

The resistance at that point

None

10.

Resistivity of a material depends on:

Topic: Resistivity

Deselect Answer

Length of the conductor

Cross-sectional area of the conductor

Temperature

Both length and cross-sectional area

None

11.

Which of the following materials is a good conductor of electricity?

Topic: Electrical Conductivity

Deselect Answer

Glass

Wood

Rubber

Aluminium

None

12.

The internal resistance of a cell is measured in:

Topic: Internal Resistance

Deselect Answer

Ohms

Volts

Amperes

Farads

None

13.

When capacitors are connected in series, the total capacitance is:

Topic: Capacitors in Series

Deselect Answer

The sum of individual capacitances

The product of individual capacitances

The reciprocal of the sum of reciprocals of individual capacitances

Equal to the smallest capacitance

None

14.

The induced emf in a coil is proportional to:

Topic: Induced EMF

Deselect Answer

The length of the coil

The area of the coil

The rate of change of magnetic flux

The resistance of the coil

None

15.

In a voltage divider circuit with two resistors in series, the voltage drop across each resistor depends on:

Topic: Voltage Divider

Deselect Answer

The total resistance

The resistance of each resistor

The total current

The power supply voltage

None

16.

In an electrical circuit, the energy dissipated as heat in a resistor is given by:

Topic: Energy Dissipation

Deselect Answer

$ \displaystyle \frac{{{{V}^{2}}}}{R}$

$\displaystyle {{I}^{2}}R$

None

17.

The force experienced by a current-carrying conductor in a magnetic field is given by:

Topic: Current-Carrying Conductor

Deselect Answer

Ampere’s Law

Ohm’s Law

Fleming’s Left-Hand Rule

Faraday’s Law

None

18.

In an electrochemical cell, the positive electrode is called:

Topic: Electrochemical Cells

Deselect Answer

Anode

Cathode

Electrolyte

Collector

None

19.

At superconducting temperatures, the resistance of a superconductor:

Topic: Superconductors and Resistance

Deselect Answer

Increases

Decreases

Becomes zero

Remains constant

None

20.

The rate at which electrical energy is converted into another form of energy is called:

Topic: Electric Power

Deselect Answer

Voltage

Current

Resistance

Power

None

1 out of 20

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Class 10 Quiz Level 2 (Moderate) – Electricity

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