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The Ground ,the Fuse and the Circuit breaker are used :
To protect human being and electric appliances
More than 10 A
All of the choices.
All of the choices.
Protect the machine from current over loading
Ensures the protection of electric installations
Increases the current in the circuit
More than 30 mA
The short circuit of a lamp connected in series with another identical one:
To protect human being and electric appliances
More than 10 A
All of the choices.
All of the choices.
Protect the machine from current over loading
Ensures the protection of electric installations
Increases the current in the circuit
More than 30 mA
The grounding of washing machine is used to
To protect human being and electric appliances
More than 10 A
All of the choices.
All of the choices.
Protect the machine from current over loading
Ensures the protection of electric installations
Increases the current in the circuit
More than 30 mA
The fuse uses to:
To protect human being and electric appliances
More than 10 A
All of the choices.
All of the choices.
Protect the machine from current over loading
Ensures the protection of electric installations
Increases the current in the circuit
More than 30 mA
If the voltage of 25 V in wet place or 50 V in dry place , then the value of current is :
To protect human being and electric appliances
More than 10 A
All of the choices.
All of the choices.
Protect the machine from current over loading
Ensures the protection of electric installations
Increases the current in the circuit
More than 30 mA
The circuit breaker isused :
To protect human being and electric appliances
More than 10 A
All of the choices.
All of the choices.
Protect the machine from current over loading
Ensures the protection of electric installations
Increases the current in the circuit
More than 30 mA
A fuse is marked with 10 A , it melts when it receives a current :
To protect human being and electric appliances
More than 10 A
All of the choices.
All of the choices.
Protect the machine from current over loading
Ensures the protection of electric installations
Increases the current in the circuit
More than 30 mA
Short circuit is done when two terminals of an electric appliance is connected with wire
To protect human being and electric appliances
More than 10 A
All of the choices.
All of the choices.
Protect the machine from current over loading
Ensures the protection of electric installations
Increases the current in the circuit
More than 30 mA
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Match it!
Match it!