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Class 10 Science Chapter Electricity - Part 3

NCERT & CBSE Based Class 10 Science Chapter Electricity.

Class 10th
40 Questions
0.00 Marks
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Q1 • MCQ • 1 marks
Power is given by:
Q3 • MCQ • 1 marks
Another formula for power is:
Q4 • MCQ • 1 marks
Power can also be expressed as:
Q5 • MCQ • 1 marks
One kilowatt equals:
Q6 • MCQ • 1 marks
Electrical energy is measured commercially in:
Q7 • MCQ • 1 marks
One kilowatt-hour equals:
Q8 • MCQ • 1 marks
Which instrument measures electrical energy consumption?
Q9 • MCQ • 1 marks
A fuse is connected in:
Q10 • MCQ • 1 marks
The function of a fuse is to:
Q11 • MCQ • 1 marks
Fuse wire is made of:
Q12 • MCQ • 1 marks
Which metal is commonly used in household wiring?
Q13 • MCQ • 1 marks
Heating effect of electric current is based on:
Q14 • MCQ • 1 marks
Joule's law of heating is:
Q15 • MCQ • 1 marks
An electric iron works on the:
Q16 • MCQ • 1 marks
An electric heater converts electrical energy into:
Q17 • MCQ • 1 marks
Which device converts electrical energy into light?
Q18 • MCQ • 1 marks
Excessive current in a circuit may be caused by:
Q19 • MCQ • 1 marks
Which statement is correct?
Q20 • MCQ • 1 marks
The SI unit of electrical energy is:
Q21 • MCQ • 1 marks
One unit of electricity is equal to:
Q22 • MCQ • 1 marks
A voltmeter is connected in:
Q23 • MCQ • 1 marks
An ammeter has:
Q24 • MCQ • 1 marks
A voltmeter has:
Q25 • MCQ • 1 marks
The filament of an electric bulb is made of:
Q26 • MCQ • 1 marks
Tungsten is used in bulbs because it has:
Q27 • MCQ • 1 marks
The heating effect of electric current depends on:
Q28 • MCQ • 1 marks
If the current doubles, the heat produced becomes:
Q29 • MCQ • 1 marks
The commercial unit of electrical energy is:
Q30 • MCQ • 1 marks
A device used to control current in a circuit is:
Q31 • MCQ • 1 marks
The resistance of a conductor increases with:
Q32 • MCQ • 1 marks
Which of the following has the least resistance?
Q33 • MCQ • 1 marks
Resistivity of a material changes with:
Q34 • MCQ • 1 marks
If two resistors of 2 Ω and 3 Ω are connected in series, the equivalent resistance is:
Q35 • MCQ • 1 marks
If two resistors of 2 Ω and 3 Ω are connected in parallel, the equivalent resistance is:
Q36 • MCQ • 1 marks
In a series circuit, if one component fails:
Q37 • MCQ • 1 marks
In a parallel circuit, if one component fails:
Q38 • MCQ • 1 marks
Household appliances are generally connected in:
Q39 • MCQ • 1 marks
The advantage of parallel connection is:
Q40 • MCQ • 1 marks
Electrical power is measured by:
Q41 • MCQ • 1 marks
A 100 W bulb consumes energy in one hour equal to:

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