A student left the camphor solution in the water bath for a long time to make sure that all the solvent was removed, when he came back, he did not find any product in the flask. Explain.

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

Ideal meters problem. what internal resistance is ideal for a voltmeter? what internal resistance is ideal for an ammeter?

What is the celsius value for 65 farenhiet