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Electricity & magnetism quiz
Five questions on Electricity & magnetism. Answer all 5 to see your score.
Question 1 of 5
Two point charges, +4.0 microcoulombs and +3.0 microcoulombs, sit 0.20 m apart. What is the magnitude of the force between them?
Question 2 of 5
What is the electric field magnitude 0.30 m from a point charge of +5.0 nanocoulombs?
Question 3 of 5
A 6.0 V battery drives two resistors in parallel: 4.0 ohms and 12 ohms. What total current leaves the battery?
Question 4 of 5
How much potential energy is stored in two point charges, +2.0 microcoulombs and +3.0 microcoulombs, held 0.10 m apart?
Question 5 of 5
A 50-turn coil of area 0.020 m^2 sits in a magnetic field that grows steadily from 0.10 T to 0.50 T in 0.40 s. What EMF is induced in the coil?