PLEASE HELP WITH SOME PHYSICS! PLEASE ANSWER THE QUESTIONS AT THE END AND ANY OT

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PLEASE HELP WITH SOME PHYSICS! PLEASE ANSWER THE QUESTIONS AT THE END AND ANY OTHER YOU CAN! :)

EXPERIMENT#7: Electric Forces and Fields Abstract Around any changed object electric field. Perpendicular to the electric there is an field lie the surfaces of constant electric potential. In part Aofthis lab you will use a voltmeter to map out the curves of constant potential around an electric dipole. Using these you will then sketch in the electric field lines. In part B you will use simulation software to study the fields around several configuration of charges Goals: (i study the form ofthe fields around a dipole. Learn to use a voltmeter to measure voltage. (3) Learn to use a power supply. Equipment: Software: PhET "Char s and Fields DO Power supply (EXTECH 382213) Group size ndividual spade electrodes, Digital multimeter with What to turn in at the end pointed electrodes, Black conducting Abbreviated lab report, including: paper, corkboard, push-pins, conducting From part A: sketch, the black paper, and push-pins and a clear plastic ruler, Silver analysis of E-field conducting ink pen. From part B: template sketches/questions. Fig. 1. Picture of apparatus.

Explanation / Answer

question 1:

you can run the simulations and do the plots as required before coming to the class.

question 2:

in part A, the quantity directly measured by the multimeter is the electric potential which is measured in the units of volt.

Question 3:

electric field and equipotential contour intersect at right angle with each other.

electric field is gradient of electric potential.

so the path where electric potential is constant, electric field will be zero.

hence they are at an angle of 90 degrees to each other.

question 4:

black conducting paper is used to figure out electric field and electric potential curves more clearly and pre-dominantly.

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