• Mayur Vihar 3 Delhi, 110096 India

Back to Test Series

Class 10 Science Chapter Magnetic Effects of Electric Current - Part 1

Class 10 Science Chapter Magnetic Effects of Electric Current

Class 10th
32 Questions
0.00 Marks
Pass: 0.00

Questions (Preview) 31 locked

Showing 1 of 32 questions
Preview
Q1 • MCQ • 1 marks
The magnetic effect of electric current was discovered by:
Q3 • MCQ • 1 marks
A compass needle is a small:
Q4 • MCQ • 1 marks
A current-carrying conductor produces:
Q5 • MCQ • 1 marks
The SI unit of magnetic field strength is:
Q6 • MCQ • 1 marks
The magnetic field lines around a straight current-carrying conductor are:
Q7 • MCQ • 1 marks
The direction of magnetic field around a straight conductor is determined by:
Q8 • MCQ • 1 marks
According to the Right-Hand Thumb Rule, the thumb points in the direction of:
Q9 • MCQ • 1 marks
Magnetic field lines never:
Q10 • MCQ • 1 marks
Outside a magnet, magnetic field lines travel from:
Q11 • MCQ • 1 marks
If the direction of current is reversed, the direction of force:
Q12 • MCQ • 1 marks
Inside a magnet, magnetic field lines travel from:
Q13 • MCQ • 1 marks
The magnetic field is strongest where field lines are:
Q14 • MCQ • 1 marks
The SI unit of magnetic flux is:
Q15 • MCQ • 1 marks
The magnetic field around a current-carrying conductor becomes stronger if:
Q16 • MCQ • 1 marks
The split-ring commutator reverses the current after every:
Q17 • MCQ • 1 marks
The induced current in a conductor lasts only while:
Q18 • MCQ • 1 marks
The magnetic field decreases with:
Q19 • MCQ • 1 marks
A solenoid is:
Q20 • MCQ • 1 marks
The magnetic field inside a solenoid is:
Q21 • MCQ • 1 marks
The magnetic field around a straight conductor is strongest:
Q22 • MCQ • 1 marks
A current-carrying solenoid behaves like a:
Q23 • MCQ • 1 marks
The ends of a solenoid act as:
Q24 • MCQ • 1 marks
Which component supplies current to the rotating coil of a DC motor?
Q25 • MCQ • 1 marks
A soft iron core inside a solenoid forms an:
Q26 • MCQ • 1 marks
Which material is commonly used for making electromagnets?
Q27 • MCQ • 1 marks
The strength of an electromagnet can be increased by:
Q28 • MCQ • 1 marks
Which of the following is a temporary magnet?
Q29 • MCQ • 1 marks
Which rule gives the direction of force on a current-carrying conductor in a magnetic field?
Q30 • MCQ • 1 marks
Fleming's Left-Hand Rule is used for:
Q31 • MCQ • 1 marks
According to Fleming's Left-Hand Rule, the forefinger represents:
Q32 • MCQ • 1 marks
In Fleming's Left-Hand Rule, the middle finger represents:
Q33 • MCQ • 1 marks
Electromagnetic induction discovered by:

Unlock All Questions

Get complete access to all 32 questions with solutions

  • All 32 questions
  • Detailed solutions
  • Performance analytics
  • Lifetime access

Start practicing

Preview Mode: Only 1 question is visible. Purchase to unlock all 32 questions.

Preview Mode
Showing only 1 of 32 questions

31 more questions locked

Login / Register
Go Back Top