"As the electrons move relative to protons (ions) there is a relativistic charge per unit volume difference between the positive and the negative charges. This causes any external charges to feel a force we know as the magnetic field."
Please Explain this sentence......
Which one of the following enzymes is present in animals like cow, buffaloes etc to digest compounds like paper, cloth etc?
Is there any easier way used to split the middle term? Is there any easier way for the calculation?