Electricity and circuits Worksheet-2
Multiple-choice questions:
(A)
(B)
(C)
(D) None of these
(A) Conductor with low melting point
(B) Conductor with high melting point
(C) Insulator with low melting point
(D) Insulator with high melting point
(A) H.C. Oersted (B) Michael Faraday
(C) Ohm (D) Fleming
(A) Component (B) Circuit
(C) Element (D) Spring
(A) Only two cells (B) Two or more cells
(C) Only single cell (D) Any of these
(A) It will lose its magnetism
(B) It deflects the magnetic needle
(C) No effect on the compass occurs
(D) It will hold fast in East- West direction
Column I Column II
(a) Electromagnet (i) Volt
(b) Electric Iron (ii) Solenoid
(c) Potential difference (iii) Joule heating
(A) (a) – (i); (b) – (iii); (c) – (ii)
(B) (a) – (ii); (b) – (i); (c) – (iii)
(C) (a) – (ii); (b) – (iii); (c) – (i)
(D) (a) – (i); (b) – (ii); (c) – (iii)
(A) Steel (B) Plastic
(C) Stainless steel (D) Soft iron
(A) For three hours
(B) As long as current flows through it
(C) Till its half-life period
(D) Field is permanent
(A)
(B)
(C)
(D)
(A) Flow of the current stops through the electromagnet in the bell
(B) A current starts to flow through the electromagnet
(C) Voltage decreases in the current flowing through the electromagnet
(D) None of these
(A) Electrical energy is converted into heat energy
(B) Electrical energy is converted into mechanical energy
(C) Mechanical energy is converted into electrical energy
(D) Heat energy is converted into electrical energy
(A) Battery (B) Voltmeter
(C) Potential difference (D) Resistor
Answer key: