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Class 10 Science Chapter 12 Electricity Quiz 1 (25 MCQs)

Quiz Instructions

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1. The meters should be attached to the power circuit
2. The work done in moving a unit postive charge from infinity to that point is known as
3. The flow rate of electric fronts is called .....
4. Current is measured in .....
5. The electrical resistance of insulators is
6. When resistors are connected in series, a current is less as effective resistance is more
7. The flow of electricity in a circuit-
8. What is the unit of current?
9. There is no flow of current between two charge bodies when connected because they have same
10. What voltage is needed to cause a 2A current flow through a 10$\Omega$ resistor?
11. The device used for measuring potential difference is known as:
12. How much energy is given to each coulomb of charge passing through a 6 V battery?
13. The instrument that measures electric current is called .....
14. When the area decreases, the resistivity
15. When resistors (R1, R2, R3) are connected in series, then the equivalent resistance R=
16. Unit of electric power may also be expressed as
17. The unit for current is the
18. Who invented electric motor
19. What voltage is needed to cause a 50A current flow through a 10$\Omega$ resistor?
20. A particle that carries a negative electric charge is called a(n) .....
21. Potential difference (V) between two points = Work done (W )/Charge (Q)
22. Which of these is a good insulator?
23. Ohm's law is
24. Coulomb is the unit of
25. A cylindrical conductor of length l and uniform area of cross section A has resistance R. Another conductor of length 2l and resistance R of the same material has area of cross section
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