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Vpp= _______ volts/div x _______ div = _______ voltsd.What is the setting on the Sec/Div control knob? __________seconds/dive.How many horizontal divisions from positive going crossing to positivegoing crossing? _______ divf.What is the period of the signal (T)?T = _______ seconds/div x _______ div = __________ secondsg.What is the frequency of the signal (f)? __________ hertzExaminer:_____________________________Date:______________________II.Display a signal of the tuning fork that is produced by the microphone on Channel 2and calculate its frequency.a. Period of the signal (T)T = ___________ seconds/div x __________ div = ___________secondsb. Frequency of the signal (f)______________ hertzExaminer:_____________________________Date:______________________Please turn in this page only when finished.
PHYSICS 210LElectromagnetic InductionIntroduction and TheoryIn your own words, discuss the purpose of this experiment. Don’t forget to discuss the meaning of the relevant concepts (Magnetic flux, Faradays Law, and Lenz’s Law).Materials Twp 3400-turn big coilGalvanometerA 1.5V batteryCables with banana-to-banana plugsBNC cables PASCO 200-turn large loop coil, 400-turn and 2000-turn small loop coilFunction GeneratorOscilloscope A small compassProcedurePart 11.Connect a 3400-turn big coil (62.5) to a 1.5 V battery (leave one of the terminalsunconnected for now). Place a small compass inside the coil (on axis if possible) withits needle pointing perpendicular to the coil axis. Now temporarily complete the circuit by touching the unconnected terminal to the battery. What happens to the compass? Why? See if you can deduce the direction of thepolarity of the compass needle.2.Connect one big coil to a Galvanometer and the other big coil to 1.5v battery (leaveone of the terminals unconnected for now). Make sure the faces of the coils areparallel to each other (within 1 cm). Experiment 12
PHYSICS 210LNow temporarily complete the circuit by touching the unconnected terminal to thebattery. What happens to the galvanometer? Does it deflect? Which way and why? Givean example where this effect will occur.Part 2A small coil of 400-turns will be connected to a signal generator (called the field coil). An oscilloscope will monitor the voltage applied to the coil. Since the current through the coilvaries with time, the field produced by the coil will vary with time. A 2000-turn coil called the detector coil will be also connected to an oscilloscope. The detector coil signal will be monitored simultaneously with the voltage applied to the field coil. Follow the procedure below.1.Square wave input signal.Connect the 400-turn small loop to the signal generator. Turn on thegenerator and the oscilloscope. Set the signal generator to produce a 1Vsquare wave (peak-to-peak) at 100Hz with the aid of the oscilloscope.Make sure that the signal is observed on channel 1 of the oscilloscope. Ifthe vertical setting is set to 0.5V/division, the overall height (peak-to-peak)of the observed signal will be 2.0 cm.