A constant voltage is applied across a wire by using two clips leads. Determine how the change described will affect the current through the wire please help me quick

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

How will the system respond to a temperature increase?

6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.