0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

Which of the following statements is INCORRECT?
  1. Electric current is a scalar quantity
  2. Electric lines of force are closed curves.
  3. Magnetic lines of induction are closed curves.
  4. changing magnetic field induces an electric current in a coil

A
Electric current is a scalar quantity
B
changing magnetic field induces an electric current in a coil
C
Electric lines of force are closed curves.
D
Magnetic lines of induction are closed curves.
Solution
Verified by Toppr

Electric line of forces are not closed, they goes from one charged particle to other.

Was this answer helpful?
1
Similar Questions
Q1
Consider the following statements.
1. Magnetic lines of force are closed curves while electric lines are not.
2. Electric lines of force are closed curves while magnetic lines are not.
3. Both electric and magnetic lines of force are closed curves.
Which of statement(s) given is/are correct?
View Solution
Q2
The current produced in a closed coil, where magnetic lines of force rapidly change within it is called:
View Solution
Q3
The magnitude of induced current in a closed coil increases with the increase in the ................. of magnetic lines of force.
View Solution
Q4
(a) Two circular coils A and B are placed closed to each other. If the current in the coil A is changed will some current be induced in the coil B? Give reason?
(b) State the rule to determine the direction of a:
(i) Magnetic field produced around a straight conductor carrying current.
(ii) Force experienced by a current straight conductor placed in a magnetic field which is perpendicular to it.
(iii) Current induced in a coil due to its rotation in a magnetic field.
View Solution
Q5
Which of the following statements is incorrect regarding magnetic field lines?

(a) The direction of magnetic field at a point is taken to be the direction in which the north pole a magnetic compass needle points.
(b) Magnetic field lines are closed curves.
(c) If magnetic field lines are parallel and equidistant, they represent zero field strength.
(d) Relative strength of magnetic field is shown by the degree of closeness of the field lines.
View Solution