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Galvanometer M.5/5 MMV

Total questions: 10

Worksheet time: 2hrs 40mins

Name
Class
Date
1.

What is a galvanometer used to measure?

a)

measure the wind

b)

pressure gauge

c)

measure electricity

d)

measure water flow

2.

A galvanometer can measure the electric potential difference in what unit?

a)

Joule

b)

ampere

c)

Kelvin

d)

Volt

3.

A galvanometer can measure the current in what unit?

a)

Joule

b)

ampere

c)

Kelvin

d)

Volt

4.

Which of the following is not a component of the galvanometer?

a)

pointer

b)

magnetic bar

c)

slate

d)

Spiral spring

5.

A galvanometer is an electrical meter. by any kind of force

a)

coupled force

b)

friction

c)

gravity

d)

magnetic force

6.

Why do we have to put a soft iron core in the middle?

a)

so that the angles are parallel throughoutr

b)

so that the angle is very valuable

c)

to make the coil at a perpendicular angle

d)

no right

7.

Why does the pointer stick stand still?

a)

The coupling moment force is very high.

b)

Coupled moment force equals reverse torque.

c)

Inform the moment of force coupled with a small value.

d)

all correct

8.

Galvanometer is what kind of measuring instrument?

a)

electric current

b)

potential difference

c)

electricity alone

d)

electric current and potential difference

9.

If the resistance is large, what is the value of the current measured in the galvanometer?

a)

less

b)

very valuable

c)

is always equal to zero.

d)

The needle points to the negative side.

10.

Most galvanometers What is the unit of measure?

a)

Nano A

b)

Kilo A

c)

Micro A

d)

Milli A