×
Detail Form
We will send your result on your email id and phone no. please fill detail
1.
The polarity of an unmarked horse shoe magnet can be determined by using
2.
The earth's magnetic field is approximately
3.
An electric lamp of 100 watt is used for 10 hours per day. The 'units' of energy consumed in one day by the lamp is
4.
The main power supply in India is at 220 V, whereas that in the US is at 110 V. Which one among the following statements in this regard is correct?
5.
Two pieces of conductor of same material and of equal length are connected in series with a cell. One of the two pieces has cross-sectional area double that of the other. Which one of the following statements is correct in this regard?
6.
Magnetism of a bar magnet can be destroyed if it is
I. kept in the magnetic meridian.
II. placed in a direction opposite to that of the Earth's horizontal intensity.
III. heated to a temperature known as Curie temperature.Select the correct answer using the code given below
I. kept in the magnetic meridian.
II. placed in a direction opposite to that of the Earth's horizontal intensity.
III. heated to a temperature known as Curie temperature.Select the correct answer using the code given below
7.
What is the order of magnitude of electric resistance of the human body (dry)?
8.
A wire of resistance 16 W is bent in the form of a circle. What is the effective resistance between diametrically opposite points?
9.
Fluorescent tubes are fitted with a choke. The choke coil:
10.
Electrically charged particles from space travelling at speeds of several hundred km/sec can severely harm living beings if they reach the surface of the Earth. What prevents them from reaching the surface of the Earth?