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Class 10 Science Chapter Electricity - Part 5

NCERT & CBSE Based Class 10 Science Chapter Electricity.

Class 10th
40 Questions
0.00 Marks
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Q1 • MCQ • 1 marks
Resistivity is represented by:
Q3 • MCQ • 1 marks
The unit of resistivity is:
Q4 • MCQ • 1 marks
The formula for current is:
Q5 • MCQ • 1 marks
Which relation is correct for electrical power?
Q6 • MCQ • 1 marks
Which formula gives electrical energy?
Q7 • MCQ • 1 marks
One kilowatt-hour is equal to:
Q8 • MCQ • 1 marks
Which device protects electrical appliances from overloading?
Q9 • MCQ • 1 marks
A fuse wire should have:
Q10 • MCQ • 1 marks
A fuse is connected in the:
Q11 • MCQ • 1 marks
Which wire carries electric current from the source to the appliance?
Q12 • MCQ • 1 marks
The earth wire is mainly used for:
Q13 • MCQ • 1 marks
Household electric supply in India is approximately:
Q14 • MCQ • 1 marks
The frequency of AC supply in India is:
Q15 • MCQ • 1 marks
Which of the following is a good conductor of electricity?
Q16 • MCQ • 1 marks
Which of the following is an insulator?
Q17 • MCQ • 1 marks
Resistance of a conductor depends upon:
Q18 • MCQ • 1 marks
Which resistor combination gives the maximum resistance?
Q19 • MCQ • 1 marks
Which resistor combination gives the minimum resistance?
Q20 • MCQ • 1 marks
Three resistors of 2 Ω each connected in series have equivalent resistance:
Q21 • MCQ • 1 marks
Three resistors of 6 Ω each connected in parallel have equivalent resistance:
Q22 • MCQ • 1 marks
A conductor with zero resistance is called:
Q23 • MCQ • 1 marks
Which alloy is commonly used in heating elements?
Q24 • MCQ • 1 marks
Heating elements are made of nichrome because it has:
Q25 • MCQ • 1 marks
The heating effect of electric current is directly proportional to:
Q26 • MCQ • 1 marks
If the current becomes three times, heat produced becomes:
Q27 • MCQ • 1 marks
Which appliance mainly works on the heating effect of current?
Q28 • MCQ • 1 marks
The filament of an electric bulb glows because of:
Q29 • MCQ • 1 marks
Which quantity is measured in watts?
Q30 • MCQ • 1 marks
A 60 W bulb used for 10 hours consumes:
Q31 • MCQ • 1 marks
A 1000 W appliance used for 2 hours consumes:
Q32 • MCQ • 1 marks
Which meter records electricity consumption in homes?
Q33 • MCQ • 1 marks
Which law explains the relationship between voltage and current?
Q34 • MCQ • 1 marks
The V-I graph of an ohmic conductor is:
Q35 • MCQ • 1 marks
The resistance of an ideal conductor is:
Q36 • MCQ • 1 marks
Which of the following obeys Ohm's law?
Q37 • MCQ • 1 marks
The resistance of a wire increases if its:
Q38 • MCQ • 1 marks
The resistance decreases when the wire is:
Q39 • MCQ • 1 marks
Which has greater resistance?
Q40 • MCQ • 1 marks
Which appliance generally consumes the maximum electrical power?
Q41 • MCQ • 1 marks
Which quantity remains the same in a series circuit?

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