Electric Safety 7 Question Preview (ID: 51497)


You Are Going To Learn How To Protect Yourself From Electrocution. TEACHERS: click here for quick copy question ID numbers.

In the open switch circuit containing lamp
a) Lamp does not light
b) Lamp lights
c) Switch has no role
d) None of the above answers

Electric current flows in a closed electric circuit
a) From negative pole of dry cell to positive one
b) From positive pole of dry cell to negative one
c) The poles of dry cell doesn’t produce current
d) All of the above choices

—/ — represents
a) Dry cell
b) Lamp
c) Open switch
d) Closed switch

To measure current and voltage across an electric circuit we use
a) Screw driver
b) Digital multimeter
c) Digital Balance
d) None of the above choices

To measure the electric current in a circuit the ammeter is connected in
a) Series
b) Parallel
c) No need to connect it
d) None of the above choices

When the mode on a multimeter is 2 A it acts as:
a) Voltmeter
b) Ammeter
c) Ohmmeter
d) Hygrometer

The circuit breaker isused:
a) As source of electricity
b) Acts as a lamp
c) Ensures the protection of electric installations
d) All of the above choices

The fuse is used to:
a) Protect the electric circuit
b) Prevent the damage of electric appliances
c) Play same role as Circuit breaker
d) All of the above choices

The law of electric current in parallel grouping is:
a) Law of addition
b) Law of subtraction
c) Law of uniqueness
d) None of the above choices

One lamp in a series circuit burn out:
a) The other lamp glow strongly
b) The other lamp glows normally
c) The other lamps stop glowing
d) None of the choices .

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