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$give \: me \: important \: questions \: of \ \\ : electricity \: chapter \: class \: 10 \ : \\ for \: perodic \: test \: 1 \\ cbse$
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Answer 1

Heya.....!!!

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• Some standard and basic questions of Electricity are :-

Q.1) => An electric lamp uses energy at the rate of 48 W on a 12 V supply . How much charge will pass through the lamp in 2 sec ?

Q.2) => How many electrons in 1 sec constitute a current of 1 A ?

Q.3) => if i is the current through a wire and ' e ' is the charge of electron , then number of electrons in ' t ' seconds will be ?

Q.4) => Two wires of equal lenght are first connected in series and then in parallel with a battery . The ratio of heat produced in 2 cases will be ?

Q.5) => Three resistance each of 8 ohm are connected to a triangle . The resistance between any two terminal will be ?

Q.6) => Two particle having charge q1 and a2 when kept at a distance ' d' the force is F when the distance is reduced to half then the Force will be ?

Q.7) => An electric iron consumes energy at rate of 420w when heating is at maximum rate and 180 w when heating is at minimum. The voltage is 220V .What is the current and resistant in each case ?

Q.8) => The work done in carrying a charge of 2 micro C from point A to B is 6 × 10^-2 J . The potential diffrence between these two points will be ?

Q.9) => The equivalent resistance of r1 and r2 when connected in series is R1 and when connected in parallel is R2 . Then the ratio R1 / R2 is ?

Q.10 ) => A wire is stretched to decrease the radius by 0.1 % , Calculate the percentage change in it's resistance .

Answer 2

yeah sure for your help

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Here is your answer which you are searching for

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Electricity chapter of class 10 th firstly I want to introduce you about commonly asked Questions

- Problems are asked based on the formulas
- Uses of current and other components
- Definition
- Circuit diagram ( drawing and labelling)

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Some Examples of that type of question are the following :-

Question 1 :- What is electrical restivity? In a series electrical circuit comprising a resistor made up of a metallic wire, the ammenter reacts 5A. The reading of the ammemter decreases to half when the length of the wire is doubled. Why?

Question 2:- A piece of wire is redrawn by pulling it, until it's length is trebled. Compare the new resistance of wire with the original resistance?

Question 3:- Should the resistance of an ammeter be low or high? Give reason

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© For answer of this questions refer to the following 3attachments with my answer

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