Waec 2025 Physics Question 45

Practice objective / multiple choice question 45 from the 2025 Waec Physics examination. This question covers General .

Waec 2025 Physics Objective / Multiple Choice 1 Difficulty
Topic: General
Question 45 WAEC • 2025 • PHYSICS • objective

An electron moving with a speed of \( 5.0 \times 10^{5} m s^{-1} \) enters a uniform magnetic field at 90 °C. Calculate the magnitude of the magnetic force on the electron if the magnetic field intensity is \( 0.25 T \ \left[c=1.6 \times 10^{-19} C^{-1}\right] \)

Answer Options

A. \( 2.0 \times 10^{-15} \text{ N} \)
Correct Answer B. \( 2.0 \times 10^{-14} \text{ N} \)
C. \( 8.0 \times 10^{-14} \text{ N} \)
D. \( 1.0 \times 10^{-15} \text{ N} \)
Correct Answer
B
Correct Option:
\( 2.0 \times 10^{-14} \text{ N} \)

About This Question

This is Waec 2025 Physics Question 45. It is one of the objective questions from the 2025 Waec Physics examination.

The question covers General .

Difficulty level: 1 .

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