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In Which Direction Does Conventional Current Flow Around a Circuit?

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प्रश्न

 In which direction does conventional current flow around a circuit?

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उत्तर

 The direction of conventional current is from the positive terminal of a cell or battery to the negative terminal through the outer circuit.

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अध्याय 4: Electricity - Exercise 2 [पृष्ठ १९६]

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लखमीर सिंग Physics Part 1 [English] Class 10
अध्याय 4 Electricity
Exercise 2 | Q 5. (a) | पृष्ठ १९६

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

Fill in the folloing blank with suitable words:  

 Current is measured in ............... using an ............... placed in ............... in a circuit.


Why should the resistance of: 

 an ammeter be very small?


Which statement/statement is/are correct?
1. An ammeter is connected in series in a circuit and a voltmeter is connected in parallel.
2. An ammeter has a high resistance.
3. A voltmeter has a low resistance.

(a) 1, 2, 3
(b) 1, 2
(c) 2, 3
(d) 1


The circuit diagram given below shows the combination of three resistors R1, R2 and R3: 

  

Find :
(i) total resistance of the circuit.
(ii) total current flowing in the circuit.
(iii) the potential difference across R1.

 

 


A fuse is a short piece of wire of high ______ and low ______.


Complete the following sentence:

Fuse wire has a ............ Melting point and it is made of an alloy of ......... and if the current in a circuit rises too high, the fuse wire ...........


An electric bulb is rated at 220 V, 100 W. What is its resistance? What maximum current can be passed through it?

Which type of current does a generator with commutator produce?

Explain the meaning of the term kilowatt hour.

Find the effective resistance in the following circuit diagrams (Fig.):


Find the effective resistance in the following circuit diagrams (Fig.):


A current of 0.3 A is flowing through a branch of 6 Ω resistors in a junction as shown in fig. . Calculate the
(a) P.d. across the junction XY,
(b) Current flowing through 9Ω and 24Ω
( c) P.d. across 24 Ω resistor, and
( d) e.m.f. of the cell.


Define the term kilowatt - hour and state its value in S.I. unit.


Answer the following question.
What is the function of a galvanometer in a circuit?


What determines the direction of flow of electrons between two charged conductors kept in contact?


Name any two devices, which are working on the heating effect of the electric current.


  1. What is meant by electric current?
  2. Name and define its unit.
  3. Which instrument is used to measure the electric current? How should it be connected in a circuit?

Coulomb is the SI unit of ____________.


A continuous and closed path of an electric current is called:


In semiconductors, the charge carriers are:


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