11. Which instrument is used to show the direction of flow of current in a circuit?
12. What is the unit of electric power expenditure?
13. Pyrometer is used to measure
14. What is the power of 'second' in the SI unit of acceleration?
15. The dimension of which of the following is the same as that of impulse?
16. What does a meter equal?
17. Instrument used for measuring density of liquid is-
18. SI unit of force is-
19. What is measured in 'joules'?
20. Which is used for measuring speed of motor-
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