Electricity

A vibrant and educational illustration showcasing various electrical components, such as wires, light bulbs, resistors, and batteries, set against a backdrop of a circuit board.

Electricity Quiz Challenge

Test your knowledge on electricity with our engaging quiz! This quiz is designed to help you understand the fundamental concepts of electric circuits, current, resistance, and power.

Multiple choice questions
Covers basic to advanced concepts
Perfect for students and enthusiasts alike

20 Questions5 MinutesCreated by ChargingEnergy102

What is the amount of current flowing through an electric press, if the amount of charge passing through a conductor in 10 min is 300 C?

30A

0.3A

0.5A

An electrical appliance has a resistance of 25 ohm , when this electrical appliance is connected to a 230V supply line, the current passing through it will be

0.92A

2.9A

9.2A

92A

When a 4 ohm resistor is connected across the terminals of a 2V battery, the number of coulombs passing through the resistor per second is

0.5

Keeping the potential difference constant , the resistance of circuit is halved. The current will become:

One -fourth

Four times

Half

Double

A wire of resistance R1 is cut into five equal pieces. These five pieces of wire are then connected in parallel. If the resultant resistance of this combination be R2 , then the ratio R1/ R2 is

1/25

1/5

Two appliances of rating 200 watt- 250 volt and 100 watt- 250 volts are joined in series to a 250 volts supply. Total power consumed in the circuit is

46 W

67W

10W

30W

Two eolectric bulbs have resistances in the ration 1:2. Fi they are joined in series , the energy consumed in them is in the ratio

2:1

1:2

4:1

1:1

At a given time, a house is supplied with 100A at 220 V. How many 75 W, 220V light bulbs could be switched on in the house at the same time ( if they are all connected in parallel)?

193

293

393

If the current flowing through a fixed resistor is halved, the heat produced in it will become

One - fourth

One- half

Double

Four times

Electric potential is a

Scalar quantity

Vector quantity

neither scalar nor vector

Sometimes scalar and sometimes vector

When electric current is passed, electrons move from:

high potential to low potential

Low potential to high potential

In the direction of th current

against the direction of current

The heating element of an electric iron is made up of :

Copper

nichrome

Aluminium

Iron

Electrical resistivity of any given metallic wire depends upon

Its thickness

Its shape

Nature of the material

Its length

Electric power is inversely proportional to

Resistance

Voltage

current

Temperature

What is the commercial unit of electrical energy?

Joules

Kilojoules

Kilowatt- hour

watt- hour

Three resistors of 1ohm , 2ft and 3 ohm are connected in parallel. The combined resistance of the three resistors should be

Greater than 3ohm

Less tha 1 ohm

Equal to 2 ohm

between 1 ohm and 3 ohm

An electric bulb is connected to a 220V generator . The current is 0.05 A. What is the power of the bulb?

440w

110W

55W

0.0023W

Which of the following gases are filled in electric bulbs?

Helium and Neon

neon and Argon

Argon and Hydrogen

Argon and Nitrogen

Electricity

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