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Class 10 Science Chapter Magnetic Effects of Electric Current - Part 5

Class 10 Science Chapter Magnetic Effects of Electric Current

Class 10th
35 Questions
0.00 Marks
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Q1 • MCQ • 1 marks
Principle of motor is based on:
Q3 • MCQ • 1 marks
Which part of a DC motor rotates?
Q4 • MCQ • 1 marks
Split ring in motor acts as:
Q5 • MCQ • 1 marks
Brushes are made of:
Q6 • MCQ • 1 marks
Motor used in:
Q7 • MCQ • 1 marks
Changing magnetic field produces:
Q8 • MCQ • 1 marks
Frequency of AC in India is:
Q9 • MCQ • 1 marks
Live wire colour (modern coding):
Q10 • MCQ • 1 marks
Neutral wire colour:
Q11 • MCQ • 1 marks
Earth wire colour:
Q12 • MCQ • 1 marks
Which current reverses its direction after regular intervals?
Q13 • MCQ • 1 marks
Electromagnetic induction occurs when:
Q14 • MCQ • 1 marks
Domestic supply in India is:
Q15 • MCQ • 1 marks
The direction of magnetic field inside a bar magnet is:
Q16 • MCQ • 1 marks
Which instrument is used to detect the direction of a magnetic field?
Q17 • MCQ • 1 marks
Which rule is used to find the direction of induced current?
Q18 • MCQ • 1 marks
The stationary part of a motor is generally called the:
Q19 • MCQ • 1 marks
Magnetic field lines around a straight conductor are:
Q20 • MCQ • 1 marks
Direction of magnetic field is given by:
Q21 • MCQ • 1 marks
Magnetic field is strongest:
Q22 • MCQ • 1 marks
A solenoid produces magnetic field like a:
Q23 • MCQ • 1 marks
Inside a solenoid, magnetic field lines are:
Q24 • MCQ • 1 marks
The armature of a motor is free to:
Q25 • MCQ • 1 marks
Soft iron core in solenoid makes:
Q26 • MCQ • 1 marks
Electromagnet is used in:
Q27 • MCQ • 1 marks
Magnetic field inside solenoid increases with:
Q28 • MCQ • 1 marks
A current-carrying conductor in magnetic field experiences:
Q29 • MCQ • 1 marks
The magnetic field lines around a bar magnet form:
Q30 • MCQ • 1 marks
Direction of force is given by:
Q31 • MCQ • 1 marks
A generator produces electricity due to:
Q32 • MCQ • 1 marks
Thumb in left-hand rule represents:
Q33 • MCQ • 1 marks
First finger represents:
Q34 • MCQ • 1 marks
Middle finger represents:
Q35 • MCQ • 1 marks
Electric motor converts:
Q36 • MCQ • 1 marks
An electromagnet loses its magnetism when:

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