Which one of the following statements is not correct?
An electric motor converts electrical energy into mechanical energy.
An electric generator works on the principle of electromagnetic induction.
The magnetic field at the centre of a long circular coil carrying current will be parallel straight lines.
A wire with a green insulation is usually the live wire of an electric supply.
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy