Which particle has no charge? MCQ with Answer and Explanation

Which particle has no charge?
A. Alpha particle
B. Proton
C. Electron
D. Neutron
Answer: Option D
Solution (By JKSSB Mock Tests)
Neutron is neutral (charge 0). Proton +e, electron -e. Alpha particle +2e. Neutron mass slightly more than proton. Discovered by Chadwick.

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Practice More Physics Questions

Question #1
The direction of force on a current-carrying conductor in a magnetic field is given by
A. Ampere's swimming rule
B. Right hand thumb rule
C. Fleming's right hand rule
D. Fleming's left hand rule

Correct Answer: Option D


Explanation:
Left hand rule for motor effect. Right hand rule for generator (induced current).

This question belongs to: Science Physics
Question #2
The energy stored in an inductor of inductance L carrying current I is
A. ½LI²
B. L²I
C. LI²
D. ½LI

Correct Answer: Option A


Explanation:
Magnetic energy stored = ½ L I², analogous to capacitor energy ½ C V². L is inductance in henry (H). Energy stored in magnetic field.

This question belongs to: Science Physics
Question #3
Kirchhoff's Voltage Law (KVL), which states that the algebraic sum of all potential differences in any closed loop is zero, is a direct manifestation of the conservation of:
A. Mass
B. Linear Momentum
C. Electric Charge
D. Energy

Correct Answer: Option D


Explanation:
Kirchhoff's Second Law (KVL) is based on the principle that the electrostatic field is conservative. The work done (energy spent or gained) in moving a unit charge completely around a closed electrical loop must be zero. Therefore, the sum of voltage drops and EMFs is zero. This strictly represents the Law of Conservation of Energy.

This question belongs to: Science Physics