What will you use to measure the length of a copper wire of 50cm long?

How much heat is required to convert 0.3 kg of ice at 0°c to water at the same temperature

If y gets smaller as x gets bigger and y have an relationship?

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell