Electricity

Question 1

Charge

Answer 1

Property of master due to which it produces and experiences electrical and magnetic effects

Question 2

Charge on electron

Answer 2

1.6 10 power -19

Question 3

Electrons in 1c of charge

Answer 3

6.25 x 10 power 18

Question 4

Electric current

Answer 4

Rate of flow of charges thorough any cross section of conductor

Question 5

Electric potential

Answer 5

Work done to carry a unit positive charge from infinity to a particular point

Question 6

Potential difference

Answer 6

Work done to carry a unit positive charge from one point to another point

Question 7

Voltmeter

Answer 7

Connected in parallel
Ideal has infinite resistance

Question 8

Electric circuit

Answer 8

Closed and continous parth of electric current

Question 9

Ohm law

Answer 9

It starts that at a constant temp potential difference between 2 points is directly proportional to current

Question 10

Resistance

Answer 10

Property of conductor which radiates the flow of electrons

Question 11

Factors affecting resistance

Answer 11

R proportional to rho X length/ area
Also depends on temp

Question 12

Resistivity

Answer 12

Resistance offered by a conductor power unit dimension
Si ohm metre

Question 13

Joules hearing effect

Answer 13

When current is passed through a quote having resistance then done part of it is converted to heat which hearts up conductor

Question 14

Heat formulae

Answer 14

Heat is equal to
I square R T
VIT
Vsq T/R

Question 15

Power formulae

Answer 15

Power is
Isq R
VI
Vsq/R

Question 16

Ammeter

Answer 16

Connected in series
Ideal has 0 resistance

Question 17

1kwh=

Answer 17

3.6X10power6 joule