300 Final Exam 2024/2025 Already Passed

What happens to resistance in a wire, if its width is increased four times {Ans: Resistance is 1/4}Which device can be used to measure current in a circuit without disconnecting any wires {Ans: clamp on a meter}Filament resistance increases when bulb is energized {Ans: Incandescent bulbs}One complete armature revolution through a four pole generator has how many rotations {Ans: 360 degree mechanical, 720 degree electrical}What type of magnet would be used on escalator brake {Ans: ceramic}Whats the E symbol represent in ohms law {Ans: Voltage}Time required to generate one complete AC cycle is called ________ {Ans: period}When resistors are placed in _____, the total circuit resistance decreases {Ans: Parallel}Wave form gradually rises and abruptly falls or vice versa is called {Ans: Saw tooth wave}What is the unit to measure opposite to current flow {Ans: Ohms}What does the designation DPDTNO switch represent {Ans: Double-pole, Double-Throw, Normally Open switch}Describe current in a SERIES circuit {Ans: Value of current remains same at any point}How do you measure voltage in a circuit {Ans: Meter must be parallel with volt being measured}_____ refer to the moveable contacts on a switch {Ans: