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(a) How many milliamperes are there in 1...

(a) How many milliamperes are there in 1 ampere?
(b) How many microamperes are there in 1 ampere?

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LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. Which of the following equation shows the correct relationship between...

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  2. What is an electric current ? Give its SI unit.

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  3. (a) How many milliamperes are there in 1 ampere? (b) How many microa...

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  4. Which of the two is connected in series: ammeter or voltmeter?

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  5. Compare how an ammeter and a voltmeter are connected in a circuit.

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  6. What do the following symbols mean in circuit diagrams?

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  7. If 20 C of charge pass a point in a circuit in 1s, what current is flo...

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  8. A current of 4A flows around a circuit for 10s. How much charge flows ...

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  9. What is the current in a circuit if the charge passing each point is 2...

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  10. Fill in the following blanks with suitable words: (a) A current is a...

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  11. (a) Name a device which helps to maintain potential difference across ...

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  12. (a) What is an electric current? What makes an electric current flow i...

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  13. What is an ammeter? How is it connected in a circuit? Draw a diagram t...

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  14. (a) Write down the formula which relates electric charge, time and ele...

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  15. आदर्श अमीटर का प्रतिरोध क्या होना चाहिए ?

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  16. Draw circuit symbols for (a) fixed resistance (b) variable resistance ...

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  17. What is a circuit diagram? Draw the labelled diagram of an electric ci...

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  18. If the charge on an electron is 1.6 xx 10^(-19) coulombs, how many ele...

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  19. The p.d. across a lamp is 12 V. How many joules of electrical energy a...

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  20. In 20s, a charge of 25 C leaves a battery, and 200J of energy are deli...

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