NCERT Class 10 Science Chapter 12 Magnetic Effects of Electric Current Solutions
NCERT Class 10 Science Chapter 12 Magnetic Effects of Electric Current Solutions Magnetic Effects of Electric Current NCERT TEXTBOOK Solutions for Class 10 Science Question 1 Which of the following correctly describes the magnetic field near a long straight wire ? (a) the field consists of straight lines perpendicular to the wire (b) the field consists of straight lines parallel to the wire (c) the field consists of radial lines originating from the wire (d) the field consists of concentric circles centred on the wire Answer: (d) The field consists of concentric circles centred on the wire Question 2 At the time of short circuit, the current in the circuit (a) reduces substantially (b) does not change (c) increases heavily (d) vary continuously Answer: (c) Increases heavily. Question 3. State whether the following statements are True or False. (a) The field at the centre a long circular coil carrying current will be parallel straight lines. (b) A wire with a green insulation is usually...