Electricity
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
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
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
1
2
4
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
5
25
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)?
93
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
Coulomb is the SI unit of
Charge
Current
potential diffrence
resistance
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
The electrical resistance of insulatirs is
High
Low
Zero
Infinitely high
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
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