While testing cables the galvanometer used should be initially short-circuited in order to protect it from sudden initial inrush currents as the cable have:

Related MCQs

• A galvanometer can be used for measuring current and voltage of a circuit by:
• For handling greater currents induction wattmeters are used in conjunction with
• In electro dynamometer type of wattmeter current coils designed for carrying heavy currents use stranded wires or laminated conductors :
• The spring material used in a spring control device should have the following property.
• A moving iron ammeter coil has few turns of thick wire in order to have:
• A voltmeter should have
• Which of the following devices should be used for accurate measurement of low D.C. voltage ?
• The pointer of an indicating instrument should be
• Ground resistance should be designed such that:
• For measuring a very high resistance we should use