Nichrome is used in electric heater cooker because. 1. Nichrome is an alloy.
2. Resistivity of nichrome is high.
3. nichrome is good conductor.
4. nichrome is low cost. ​

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

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=

You notice the birds sitting on the electrical wires which of the following explain why the birds don't get shocked