MEDIUM
Diploma
IMPORTANT
Earn 100
A loop of the wire contains two identical light bulbs, and . The region in the loop contains a changing magnetic field whose direction is normal to the plane of the page. Both light bulbs are lit. A copper wire is placed across the loop as shown in the diagram.
What will be the effect of this wire on the brightness of the light bulbs?
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Important Questions on Electromagnetic Induction (HL)
MEDIUM
Diploma
IMPORTANT
A conducting loop of wire is in a region of magnetic field directed into the plane of the page. The loop is rotated about axes I, II and III.
In which case or cases will there be an induced current in the loop.
MEDIUM
Diploma
IMPORTANT
A parallel plate capacitor is connected to a battery of fixed emf. The energy stored in the capacitor is and the charge on one of the plates is . A dielectric is inserted between the plates. What will happen in the capacitance and charged stored respectively?
MEDIUM
Diploma
IMPORTANT
In which of these circuits can full-wave rectification take place?
MEDIUM
Diploma
IMPORTANT
In the capacitor, if the plates are apart and have an area of . What is the capacitance of the capacitor? (in )
MEDIUM
Diploma
IMPORTANT
For the capacitor if the capacitance is and applied voltage is then what is the value of the charge on the plate? ( in C)
MEDIUM
Diploma
IMPORTANT
A dielectric of electrical permittivity Is inserted between the parallel plates of the capacitor And it's a connection to the ideal voltmeter. State and explain the effect of the charge on one of the plates.
MEDIUM
Diploma
IMPORTANT
A dielectric of electrical permittivity Is inserted between the parallel plates of the capacitor And it's connected to the ideal voltmeter. State and explain the effect of the potential difference between the plates.
MEDIUM
Diploma
IMPORTANT
A dielectric of electrical permittivity Is inserted between the parallel plates of the capacitor and it's connected to the ideal voltmeter. State and explain the effect of the capacitance.
