A 2 m wire carries 2 A perpendicular to a 0.2 T field. What magnetic force acts on it?
A) 0.4 N B) 1.2 N C) 1.6 N D) 0.8 N Answer: D Explanation: Use magnetic force = field […]
Magnetism & Electromagnetism, Physics
Magnetism & Electromagnetism
Magnetism & Electromagnetism, Physics
A 2 m wire carries 3 A perpendicular to a 0.3 T field. What magnetic force acts on it?
A) 0.9 N B) 2.7 N C) 1.8 N D) 3.6 N Answer: C Explanation: Use magnetic force = field […]
Magnetism & Electromagnetism, Physics
A 2 m wire carries 4 A perpendicular to a 0.4 T field. What magnetic force acts on it?
A) 1.6 N B) 3.2 N C) 4.8 N D) 6.4 N Answer: B Explanation: Use magnetic force = field […]
Magnetism & Electromagnetism, Physics
A 2 m wire carries 5 A perpendicular to a 0.5 T field. What magnetic force acts on it?
A) 5 N B) 2.5 N C) 7.5 N D) 10 N Answer: A Explanation: Use magnetic force = field […]
Magnetism & Electromagnetism, Physics
A 2 m wire carries 6 A perpendicular to a 0.6 T field. What magnetic force acts on it?
A) 3.6 N B) 10.8 N C) 14.4 N D) 7.2 N Answer: D Explanation: Use magnetic force = field […]
Magnetism & Electromagnetism, Physics
A 2 m wire carries 7 A perpendicular to a 0.7 T field. What magnetic force acts on it?
A) 4.9 N B) 14.7 N C) 9.8 N D) 19.6 N Answer: C Explanation: Use magnetic force = field […]
Magnetism & Electromagnetism, Physics
An ideal transformer has primary voltage 10 V and secondary-to-primary turns ratio 2:1. What is its secondary voltage?
A) 10 V B) 20 V C) 30 V D) 40 V Answer: B Explanation: Use voltage ratio = secondary […]
Magnetism & Electromagnetism, Physics
An ideal transformer has primary voltage 12 V and secondary-to-primary turns ratio 3:1. What is its secondary voltage?
A) 36 V B) 18 V C) 54 V D) 72 V Answer: A Explanation: Use voltage ratio = secondary […]
Magnetism & Electromagnetism, Physics
An ideal transformer has primary voltage 15 V and secondary-to-primary turns ratio 4:1. What is its secondary voltage?
A) 30 V B) 90 V C) 120 V D) 60 V Answer: D Explanation: Use voltage ratio = secondary […]
Magnetism & Electromagnetism, Physics
An ideal transformer has primary voltage 20 V and secondary-to-primary turns ratio 5:1. What is its secondary voltage?
A) 50 V B) 150 V C) 100 V D) 200 V Answer: C Explanation: Use voltage ratio = secondary […]