MEDIUM
9th ICSE
IMPORTANT
Earn 100

State three differences between a primary cell and a secondary cell.

Important Questions on Electricity and Magnetism

MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 8 - Electricity and Magnetism>Self Evaluation Test>Q 12
Write three requirements of a good cell.
EASY
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 8 - Electricity and Magnetism>Self Evaluation Test>Q 13
When the starter motor of a car is switched on for 1.7 s, a charge of 34 C passes through the coil of the motor. Calculate the current in ampere through the motor.
MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 8 - Electricity and Magnetism>Self Evaluation Test>Q 14
Define magnetic pole and magnetic equator. Also state the nature of magnetic field lines at magnetic poles and magnetic equator.
EASY
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 8 - Electricity and Magnetism>Self Evaluation Test>Q 15
A charge of 0.5 C passes through a cross-section of a conductor in 5 s .  A×1015 electrons will flow in the given time interval, if the charge on one electron is 1.6×10-19 C. Magnitude of A is 
EASY
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 8 - Electricity and Magnetism>Self Evaluation Test>Q 15
A current of 0.5 C passes through a cross-section of a conductor in 5 s. Magnitude of current (in ampere) through the conductor is