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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

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लखमीर सिंग Physics [English] Class 10
अध्याय 4 Electricity
Exercise 2 | Q 5.1

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

1 A = _________ mA

  1. 102
  2. 103
  3. 10-3
  4. 10-6

Define the unit of current.


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


What is the current in a circuit if the charge passing each point is 20 C in 40 s?


What Makes an Electric Current Flow in a Wire?


What is an Ammeter? How is It Connected in a Circuit? Draw a Diagram to Illustrate Your Answer.


A student made an electric circuit shown here to measure the current through two lamps.

Are the lamps in series or parallel?  

(a) Are the lamps in series or parallel?
(b) The student has made a mistake in this circuit. What is the mistake?
(c) Draw a circuit diagram to show the correct way to connect the circuit. Use the proper circuit symbols in your diagram. 


The figure given below shows an electric circuit in which current flows from a 6 V battery through two resistors. 

 

  1. Are the resistors connected in series with each other or in parallel?
  2. For each resistors, state the p.d. across it.
  3. The current flowing from the battery is shared between the two resistors. Which resistor will have bigger share of the current?
  4. Calculate the effective resistance of the two resistors.
  5. Calculate the current that flows from the battery.

Name two effects produced by electric current. 

 


Find the potential difference required to pass a current of 0.2 A in a wire of resistance 20Ω


In the network shown in the following adjacent Figure, calculate the equivalent resistance between the points.  

  1. A and B
  2. A and C

 


The following circuit diagram shows three resistors 2 Ω, 4 Ω and R Ω connected to a battery of e.m.f 2V and internal resistance 3 Ω. If the main current of 0.25 A flows through the circuit, find:

  1. the p.d. across the 4 Ω resistors,
  2. the p.d. across the internal resistance of the cell,
  3. the p.d. across the R Ω or 2 Ω resistors, and
  4. the value of R.


Distinguish between an open and a closed circuit.


An electric current flowing in a wire creates ______ around the wire. 


A 200 v electric transfer draws an electric current of 11 A. What is its electrical resistance?

Name the physical quantity which equals the product of voltage and current.

How should the electric lamps in a building be connected?


Match the items in column-I to the items in column-II:

Column - I Column - II
(i) electric current (a) volt
(ii) potential difference (b) ohm meter
(iii) specific resistance (c) watt
(iv) electrical power (d) joule
(v) electrical energy (e) ampere

An ammeter is always placed in parallel with the circuit.


Find the odd one out.

Loudspeaker, Bar magnet/magnet, Electric motor, Microphone.


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