Oscilloscope time base problem. you are asked to display a 1 khz sine wave signal on the screen. since the period t is related to the frequency f by the formula t = 1 / f, the period of this wave is 1/(103/s)=1ms, so a reasonable setting for the "time/div" dial is 1 ms/div. but suppose you select an inappropriate setting for the time/div dial by mistake. what would you see if you set the dial on 1 μs/div? 100 ms/div?

Energy flows from the producer level to the level. is called

Ametal ring 4.20 cm in diameter is placed between the north and south poles of large magnets with the plane of its area perpendicular to the magnetic field. these magnets produce an initial uniform field of 1.12 t between them but are gradually pulled apart, causing this field to remain uniform but decrease steadily at 0.240 t/s . (a) what is the magnitude of the electric field induced in the ring? (b) in which direction (clockwise or counterclockwise) does the current flow as viewed by someone on the south pole of the magnet?

Calculate the first and second velocities of the car with four washers attached to the pulley, using the formulas v1 = 0.25 m / t1 , and v2 = 0.25 m / (t2 – t1) where t1 and t2 are the average times the car took to reach the 0.25 and the 0.50 meter marks. record these velocities, to two decimal places, in table e.