Two parallel wires spaced 0.50 m apart in a horizontal plane carry oppositely directed currents of 200 a. (i) what is the force per unit length on the wires? (ii) are the wires attracted or repelled?

Research the neutrino using the internet and report your findings. in a nuclear decay, the nucleus of an atom splits apart. larger particles can be detected and their masses and velocities can be recorded. explain how the existence and properties of the neutrino could be predicted using the conservation laws.

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

What can you increase the strength of an electromagnet by