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(b) high resistivity and low melting point.
(b) use of fuse of appropriate rating.
(b) red for live wire and black for neutral wire.
(b) abruptly increases.
(d) the direction of induced current.
(b) 1/25s
(b) 50 Hz
(a) Fleming's right-hand rule
(a) Fleming’s right-hand rule
(b) electric generator
(c) the process of producing induced current in a coil on changing magnetic field around it.
Fuse wire should be prepared from a material having
(b) high resistivity and low melting point.
(b) high resistivity and low melting point.
See lessThe most important safety method used in domestic electrical circuit so as to protect home appliances from short circuiting or overloading is
(b) use of fuse of appropriate rating.
(b) use of fuse of appropriate rating.
See lessIn domestic electric circuits the colour of insulation covers of wires in the supply line is generally
(b) red for live wire and black for neutral wire.
(b) red for live wire and black for neutral wire.
See lessAt the time of short circuiting of an electrical circuit the current in the circuit
(b) abruptly increases.
(b) abruptly increases.
See lessWhile applying the Fleming’s right-hand rule the central (middle) finger of right-hand indicates
(d) the direction of induced current.
(d) the direction of induced current.
See lessIn India the direction of alternating current changes its direction after a time interval of
(b) 1/25s
(b) 1/25s
See lessThe frequency of a.c. supply in India is
(b) 50 Hz
(b) 50 Hz
See lessThe direction of induced current produced in a rectangular coil, when it is rotated in a uniform magnetic field is given by
(a) Fleming's right-hand rule
(a) Fleming’s right-hand rule
See lessThe device used to produce an electric current in a circuit is called
(b) electric generator
(b) electric generator
See lessThe phenomenon of electromagnetic induction is
(c) the process of producing induced current in a coil on changing magnetic field around it.
(c) the process of producing induced current in a coil on changing magnetic field around it.
See less