Electric Field Due To Point Charges - Physics Problems

This video provides a basic introduction into the concept of electric fields. It explains how to calculate the magnitude and direction of an electric field created by a point charge as well as the net electric field produced by multiple point charges. It discusses the effect that an electric field has on positive and negative charges plus so much more. It contains plenty of examples and practice problems.

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[TDBRICKS]

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[ybdspbr]

00:05 Electric fields can be calculated using the formula F/q.
02:42 The electric field created by a point charge can be calculated using an equation.
08:22 The direction of the electric field can be determined based on the charge.
11:01 The direction of the electric field is due south.
15:47 The mass of the charge is approximately 0.255
18:05 An electric field can suspend a positive charge with a specific mass.
22:30 The electric field created by a 40 microcoulomb point charge placed at the origin is 14.4 kN/C at a point 5 meters away.
24:36 The electric field at point p is 1472.88 to 1476.16
29:01 The electron accelerates in the opposite direction to the electric field
31:14 The final speed of the electron is approximately 8.39 × 10^6 meters per second
35:51 The net electric field is 18 million.
38:07 The net electric field at point b is larger due to the closer distance and larger charge magnitude of q2.
42:41 The magnitude of the new electric field will be greater than 100 newtons per coulomb.
45:06 Electric field doubles when the magnitude of the charge doubles.
49:44 The net electric field at point A is not zero, but it is due to the combination of electric fields created by Q1 and Q2
51:46 The net electric field at point c will be directed east.
56:17 The net electric field is zero and e1 is equal to e2.
58:32 The exact location along the x-axis where the net electric field is zero can be calculated.

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