Recent questions in Physics

0 like 0 dislike

1 answer 192 views

Why in conductors charge is transferred by free electrons rather than by positive charge?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 545 views

A light bulb is switched on for 40s. If the electrical energy consumed by the bulb during this time is 2400 J,

asked Oct 23, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 75 views

Connect a battery to a small 2.5V light bulb and observe the brightness of the bulb.

asked Oct 23, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 443 views

A bird can sit harmlessly on high tension wire- But it must not reach and grab neighbouring wire. Do you know why?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 460 views

Which metal is used as the filament of an electric bulb? Explain with reason.

asked Oct 23, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 429 views

How long does it take a current of 10 mA to deliver 30 C of charge?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 504 views

Describe some safety measures that should be in connection with the household circuit.

asked Oct 23, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 101 views

How does short circuit occur and how can it be avoided?< .

asked Oct 23, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 210 views

Describe briefly the hazards of household electricity.

asked Oct 23, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 1.3k views

Why is the voltage used for domestic supply much lower than the voltage at which the power is transmitted?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 84 views

The voltage chosen for the transmission of electrical power over large distances ,

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

0 like 0 dislike

1 answer 116 views

Define the term time period and frequency.

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

0 like 0 dislike

1 answer 141 views

What is difference between d.c. and a.c.?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

0 like 0 dislike

1 answer 88 views

How can the cost of electricity consumed in a house be calculated?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

0 like 0 dislike

1 answer 1.3k views

What is kilowatt-hour? How energy in kilowatt-hour can be obtained?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

0 like 0 dislike

1 answer 133 views

What do you mean by electric power? Define its unit

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

0 like 0 dislike

1 answer 111 views

How is energy dissipated in a resistance? Explain.

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

0 like 0 dislike

1 answer 124 views

State and explain Joule's law. ,

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

0 like 0 dislike

1 answer 577 views

What are the advantages of parallel circuits over series circuits?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

0 like 0 dislike

1 answer 140 views

Describe the characteristic features of parallel combination of resistors.

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

Page:

« prev
1
...
14
15
16
17
18
19
20
...
30
next »

Free Hit Counters

Recent questions in Physics

...