# The most suitable metal for making electro -magnets and transformer cores is

1.  Steol

2.  Iron

3.  Copper

4.  Aluminium

4

Iron

Explanation :
No Explanation available for this question

# The relative permeability of iron is of the order of

1.  1

2.  104

3.  Zero

4.  10-4

4

104

Explanation :
No Explanation available for this question

# Modulus of elasticity is defined as the ratio of

1.  Shear stress to sheer strain

2.  Linear stress to linear strain

3.  Linear stress to lateral strain

4.  Lateral stress to linear strain

4

Linear stress to linear strain

Explanation :
No Explanation available for this question

# A lunar eclipse happens when

1.  Mean comes between earth and sun

2.  Sun comes between earth and ram

3.  Earth comes between sun and moon

4.  Nene of these

4

Earth comes between sun and moon

Explanation :
No Explanation available for this question

# The riehter scale is used to record

1.  Velocity of air

2.  Earthquake

3.  Intensity of earthquake

4.  Pressure

4

Intensity of earthquake

Explanation :
No Explanation available for this question

# What is the kinetic energy of rotation when a body of mass moment of inertial about a given axis is rotated about that axis with an angular velocity

1.   I.w

2.   /2 I.w2

3.     l.w2

4.     1/2 I.w

4
 l.w2

Explanation :
No Explanation available for this question

# A prize money is divided between A, B and C. A receives 2/5 of the prize, B receives I/9 of the remainder, If C's share is Rs. 80. find the value of the prize

1.  Rs, 130

2.  Rs, 150

3.  Rs. 180

4.  Rs. 220

4

Rs, 150

Explanation :
No Explanation available for this question

# A prize money is divided between A, B and C. A receives 2/5 of the prize, B receives I/9 of the remainder, If C's share is Rs. 80. find the value of the prize

1.  Rs, 130

2.  Rs, 150

3.  Rs. 180

4.  Rs. 220

4

Rs, 150

Explanation :
No Explanation available for this question

# If the rainfall on a certain day was 3.5 cm, how many liters of water fell on 1 hectare land on that day

1.  350000 litres

2.  35000 litres

3.  3600 litres

4.  350 litres

4

3600 litres

Explanation :
No Explanation available for this question

1.  Rs. 3,860

2.  Rs. 4,000

3.  Rs, 4,100

4.  Rs. 4,230

4