Physics The strength of an electromagnet can be increased by All of these Increasing current supply Increasing the length of the coiled wire Increasing the number of turns All of these Increasing current supply Increasing the length of the coiled wire Increasing the number of turns ANSWER DOWNLOAD EXAMIANS APP
Physics Infrasonic sound has a frequency lower than 20 Hz 15 Hz 32 Hz 5 Hz 20 Hz 15 Hz 32 Hz 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Point A is at a lower electrical potential than point B. An electron between them on the line joining them will Move at right angles to the line joining A and B Move towards A Move towards B Remain at rest Move at right angles to the line joining A and B Move towards A Move towards B Remain at rest ANSWER DOWNLOAD EXAMIANS APP
Physics When a bar magnet is cut into two equal halves, the pole strength of each piece – Becomes double Becomes half Remains the same Becomes zero Becomes double Becomes half Remains the same Becomes zero ANSWER DOWNLOAD EXAMIANS APP
Physics Rectifiers are used to convert: High voltage to low voltage Low voltage to high voltage Alternating current to Direct current Direct current to Alternating current High voltage to low voltage Low voltage to high voltage Alternating current to Direct current Direct current to Alternating current ANSWER DOWNLOAD EXAMIANS APP
Physics The temperature of a liquid is 32° F. What is its temperature in Celsius scale? 0° C 100° C 32° C 212° C 0° C 100° C 32° C 212° C ANSWER DOWNLOAD EXAMIANS APP