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What does the direction of current convey?

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प्रश्न

What does the direction of current convey?

एक पंक्ति में उत्तर
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उत्तर

The direction of current conveys that the flow of electrons is opposite to the direction of flow of current.

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अध्याय 8: Current Electricity - EXERCISE - 8(A) [पृष्ठ १८६]

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सेलिना Physics [English] Class 10 ICSE
अध्याय 8 Current Electricity
EXERCISE - 8(A) | Q 5. (a) ii. | पृष्ठ १८६

संबंधित प्रश्न

Define the unit of current.


Which of the following equation shows the correct relationship between electrical unit? 

1A = 1C/s or 1c= 1A/s 


How many microamperes are there in 1 ampere?


Define electric intensity. Write its SI unit. Is it a scalar or a vector physical quantity?

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


60 joules of heat was dissipated in a resistor when 20 C flowed for 5 s. Calculate:
(a) P.d. across the resistor,
(b) Resistance of the resistor, and
(c) Average power dissipated in the resistor.


Fig.  shows a 3 pin plug with the cover removed. The electric cable
connected to the plug contains 3 wires with colour coded insulation namely brown, blue and green.

  1. Identify each of the colour coded wires by stating to which of the
    terminals A, B or C in the diagram they should be connected.
  2. Identify the terminal through which no current passes in normal
    circumstances.
  3. What is the purpose of the earthed wire connected to an electric
    appliance like an electric heater? Describe how it works.

1 kWh = `(1 "volt" xx 1 "ampere" xx "_________")/1000`


What should I choose ___________________

a. for decreasing resistance in a circuit.
(Resistors in series / Resistors in parallel)

b. for getting protection from electric current.
(Nickel / Ebonite)

c. to measure the current in the circuit?
(Ammeter/ Voltmeter) 

A current of 2A passing through the conductor produces 80 J of heat in 10 seconds. The resistance of the conductor is ______.


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