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How is Direction of Current Related to the Direction of Flow of Electrons? - Physics

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प्रश्न

How is direction of current related to the direction of flow of electrons?

एक पंक्ति में उत्तर
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उत्तर

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

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अध्याय 7: Electricity - Short Answers

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आईसीएसई Physics [English] Class 10
अध्याय 7 Electricity
Short Answers | Q 15

संबंधित प्रश्न

Fill in the blank:

To increase the effective resistance in a circuit the resistors are connected in _____________.


How many microamperes are there in 1 ampere?


A Radio Set Draws a Current of 0.36 a for 15 Minutes. Calculate the Amount of Electric Charge that Flows Through the Circuit. 


Consider the circuit given below: 

 

(a) In which circuit are the lamps dimmest?
(b) In which circuit or circuits are the lamps of equal brightness to the lamps in circuit (i)?
(c) Which circuit gives out the maximum light?  


What do you mean by conductance of a conductor of a solution?

What is international convention of colour coding in a cable?


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


Complete the following table. The first answer has been given as an example

Quantity Unit

(a) Electrical potential Volt

( b) Resistance

( c) Power

( d) Energy

( e) Resistivity

Volt

........

..........

............

..............


Fig . shows the core of a transformer and i ts input and output connections 

State the material used for the core and describe th e structure of the core.
(a) Use the values given in the diagram to calculate the turns ratio for the transformer and connections, labeling all parts of the diagram .
(b) If a current of 2 A is taken from th e output, calculate th e current in the input circuit (Assume the transformer to be ideal ).


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

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