Electromagnetism
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Alternating Current
MCQ (Single Correct Answer)
Modern Physics
Dual Nature of Radiation
MCQ (Single Correct Answer)
Semiconductor Devices and Logic Gates
MCQ (Single Correct Answer)
Communication Systems
MCQ (Single Correct Answer)
1
MHT CET 2023 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

An electron is projected along the axis of circular conductor carrying current I. Electron will experience

A
no force.
B
a force along the axis.
C
a force at angle $$30^{\circ}$$ with the axis.
D
a force perpendicular to axis.
2
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The magnetic field at the centre of a circular coil of radius '$$R$$', carrying current $$2 A$$ is '$$B_1$$'. The magnetic field at the centre of another coil of radius '$$3 R$$' carrying current $$4 A$$ is '$$B_2$$'. The ratio $$B_1:B_2$$ is

A
$$1: 2$$
B
$$2: 1$$
C
$$2: 3$$
D
$$3: 2$$
3
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two wires $$2 \mathrm{~mm}$$ apart supply current to a $$100 \mathrm{~V}, 1 \mathrm{~kW}$$ heater. The force per metre between the wires is ( $$\mu_0=4 \pi \times 10^{-27}$$ SI unit)

A
$$2 \times 10^{-2} \mathrm{~N}$$
B
$$4 \times 10^{-3} \mathrm{~N}$$
C
$$2 \times 10^2 \mathrm{~N}$$
D
$$10^{-2} \mathrm{~N}$$
4
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two long parallel wires carrying currents $$8 \mathrm{~A}$$ and $$15 \mathrm{~A}$$ in opposite directions are placed at a distance of $$7 \mathrm{~cm}$$ from each other. A point '$$\mathrm{P}$$' is at equidistant from both the wires such that the lines joining the point to the wires are perpendicular to each other. The magnitude of magnetic field at point '$$\mathrm{P}$$' is $$(\sqrt{2}=1.4) ( \mu_0=4 \pi \times 10^{-7}$$ SI units)

A
$$68 \times 10^{-6} \mathrm{~T}$$
B
$$48 \times 10^{-6} \mathrm{~T}$$
C
$$32 \times 10^{-6} \mathrm{~T}$$
D
$$16 \times 10^{-6} \mathrm{~T}$$
Questions Asked from MCQ (Single Correct Answer)
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