Question - . A straight conductor of length / moving with a velocity v in the presence of a magnetic field of flux density B directed at an angle 0 with the direction of v experiences a force. Which of the following statement(s) is/are true for the magnitude of the force? 1. It is independent of 0.2. It is proportional to /2. 3. It is proportional to B. 4. It is independent of v. Select the correct answer from the codes given below :Codes :