Electricity Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Charge

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Charge on electron

A

1.6 10 power -19

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Electrons in 1c of charge

A

6.25 x 10 power 18

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Electric current

A

Rate of flow of charges thorough any cross section of conductor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Electric potential

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Potential difference

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Voltmeter

A

Connected in parallel
Ideal has infinite resistance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Electric circuit

A

Closed and continous parth of electric current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Ohm law

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Resistance

A

Property of conductor which radiates the flow of electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Factors affecting resistance

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Resistivity

A

Resistance offered by a conductor power unit dimension
Si ohm metre

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Joules hearing effect

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Heat formulae

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Power formulae

A

Power is
Isq R
VI
Vsq/R

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Ammeter

A

Connected in series
Ideal has 0 resistance

17
Q

1kwh=

A

3.6X10power6 joule