A 'loudspeaker' receives
The higher the voltage, the more
If we add a fuse of 13A in a hair drier that requires a current of 2A, the current will cause
Resistors are of
The starting point of manufacturing a product which contains sodium or chlorine is
Wires are heated when they carry
Variable resistors can be used to
If we have two values, consumed electrical energy can be found. First, the period of use of appliance and second, the
Metal ions move through the electrolyte to coat the object which is
'Electricity' can
Besides heat and light, electricity is also used in
Compared to short thin wire of silver, the long but thin wire would have
If two cells are connected in series, the bulb will glow more
Electroplating is used for objects which are likely to
Neutral wire is a wire which has
The name of English scientist who invented first practical motor is
To measure the current, ammeter is connected in
The more appliances in a parallel circuit,
The presence of earth wire can reduce the danger of
If two bulbs are attached in parallel circuit, they would glow
The electricity passes through
One kilowatt is equal to
Small magnets are used in
In most of the loudspeakers, electrical signals pass through a
'Electromagnet' can be made stronger by increasing
The filament bulb glows, when it reaches the temperature of
For the current to flow, each resistor in parallel circuit provides
To remove a steel splinter from a patient's eye, the surgeon may use
Each component of circuit is shown by a particular
Another example of a good electric conductor is
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