The component used for tuning a radio is basically a variable ____________________.
Condenser
Capacitors are used for tuning radios.
An electric iron requires a ________ fuse to prevent short circuiting.
A galvanometer can be converted into a voltmeter by connecting with it a
Transformer is a device to convert
The 'Choke' used with a tube light is basically ______
'Net metering' is sometimes seen in the news in the context of promoting the
Which of the following household items does NOT use the heating effect of current?
The magnetic field produced by a current-carrying wire at a given point depends on which of the following factors?
If the resistance of a conductor is increased to three times, then the current will be: (voltage V remains constant)