Teachoo MCQ Test

10 Question MCQ (including Assertion)

Preparing for CBSE

Chapter 12 Class 10 - Magnetic Effects of Electric Current | 10 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
Time remaining 720
Question 1 of 10
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Question 1 of 10
NCERT Exemplar
For a current in a long straight solenoid N - and S -poles are created at the two ends. Among the following statements, the incorrect statement is:
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Question 2 of 10
NCERT Exemplar
Which of the following correctly describes the magnetic field near a long straight current carrying wire?
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Question 3 of 10
Assertion (A): Magnetic field lines never intersect.
Reason (R): At a particular point magnetic field has only one direction.
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Question 4 of 10
NCERT Exemplar
The device used for producing electric current is called a:
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Question 5 of 10
NCERT Exemplar
Choose the incorrect statement from the following regarding magnetic lines of field:
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Question 6 of 10
NCERT Exemplar
The essential difference between an AC generator and a DC generator is that:
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Question 7 of 10
Assertion (A): AC load line is used for long distance transmission.
Reason (R): It has very less loss of energy in long distance transmission.
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Question 8 of 10
NCERT Exemplar
Choose the correct option.
A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each:
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Question 9 of 10
NCERT Exemplar
A constant current flowing in a horizontal wire in the plane of the paper from East to West is shown in Figure. The direction of magnetic field at a point will be from North to South: WENSWE
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Question 10 of 10
Assertion (A): In Fleming's Left Hand Rule, the direction of magnetic field, force and current are mutually perpendicular.
Reason (R): Fleming's Left hand Rule is applied to measure the induced current.
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