February 22, 2017

Homework Help: PHYSICS

Posted by Hayden on Friday, December 21, 2012 at 2:33am.

1. Why is an electric field considered to be a vector quantity?

2. Draw the electric field around an electric dipole of +1 µC and -1 µC

3. How many electrons have been removed from a positively charged object if it has a charge of 1.5 x 1011 C?

4. A particle with a charge - 1.22 x 10-7 C is at a point where the electric field is 4.00 x 103 N/C directed to the right. What is the magnitude and direction of the electric force acting on the particle?

5. A positively-charged oil drop weight 4.01 x 10-14 N. The drop is suspended in an electric field intensity of 7.6 x 103 N/C.

a) What is the charge on the oil drop?

b) How many electrons is the oil drop missing?

6. A positive test charge of + 6.5 x 10 -6 C experiences a force of +4.5 x 10 -5 N. What is the magnitude of the Electric field intensity ?

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