WorksheetsGalvanometer Quiz
Total questions: 10
Worksheet time: 5mins
What is the principle behind electromagnetic induction?
The interaction between electric charges and magnetic fields
The generation of an electric current by changing magnetic fields
The attraction and repulsion between magnets
The conversion of electrical energy into mechanical energy
How does a galvanometer work?
It uses a magnetic field to deflect a needle proportional to the current
It measures the voltage across a component
It converts electrical energy into light
It stores electrical energy
What happens to the magnetic field inside a solenoid when the current is increased?
The magnetic field decreases
The magnetic field remains the same
The magnetic field increases
The magnetic field disappears
Which of the following is true about the interaction between current and magnetic fields?
A current-carrying conductor in a magnetic field experiences a torque
A magnetic field can only exist in the presence of a current
Current and magnetic fields do not interact
A magnetic field repels a current-carrying conductor
In a galvanometer, what is the role of the coil?
To provide resistance
To generate a magnetic field
To deflect the needle
To store charge
What is the effect of increasing the number of turns in a solenoid on the magnetic field strength?
The magnetic field strength decreases
The magnetic field strength remains constant
The magnetic field strength increases
The magnetic field strength becomes zero
Which of the following best describes the relationship between current and magnetic fields in a solenoid?
The magnetic field is inversely proportional to the current
The magnetic field is directly proportional to the current
The magnetic field is independent of the current
The magnetic field is inversely proportional to the square of the current
What happens to the direction of the magnetic field in a solenoid if the direction of the current is reversed?
The magnetic field strength doubles
The magnetic field direction reverses
The magnetic field strength is halved
The magnetic field disappears
Why is an iron core often placed inside a solenoid?
To reduce the solenoid's magnetic field
To change the magnetic field so it is in a radial direction
To increase the solenoid’s magnetic field strength
To convert magnetic energy into thermal energy
Which rule helps determine the direction of the magnetic field around a current-carrying wire?
Fleming’s Left-Hand Rule
Right-Hand Rule
Left-Hand Rule for Induced Current
Faraday’s Law of Induction
