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Very Short Answer Type Questions
1. By what name is the physical quantity coulomb/second called ?
2. What is the flow of charge called ?
3. What actually travels through the wires when you switch on a light?
4. Which particles constitute the electric current in a metallic conductor ?
5. (a) In which direction does conventional current flow around a circuit?
(b) In which direction do electrons flow?
6. Which of the following equation shows the correct relationship between electrical units ?
1A = 1 C/s
1 C=1 A/S
7. What is the unit of electric current ?
8. (a) How many milliamperes are there in 1 ampere ?
(b) How many microamperes are there in 1 ampere ?
9. Which of the two is connected in series : ammeter or voltmeter ?
10. Compare how an ammeter and a voltmeter are connected in a circuit.
11. What do the following symbols mean in circuit diagrams?
(1) - (i) )-
12. If 20 C of charge pass a point in a circuit in 1 s, what current is flowing?
13. A current of 4 A flows around a circuit for 10 s. How much charge flows past a point in the circuit in this
time?
14. What is the current in a circuit if the charge passing each point is 20 C in 40 s?
15. Fill in the following blanks with suitable words:
(a) A current is a flow of................ For this to happen there must be a ...........circuit
(b) Current is measured in..............using an...........placed in............in a circuit.
Answers
Answered by
6
Answer:
4 )electrons
7 )Ampere
15)a)charge,electric
b) volt,voltmeter
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