In which circuit does charge reverse direction many times per second?
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a. an ac circuit
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b. a parallel circuit
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c. adc circuit
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d. a combined circuit

An AC circuit

Explanation:

In Alternate current, current reverses many times periodically.

grav force prop 1/r squared 2r all squared is 4rsquared 1/4rsquared quartered

the aurora is formed when charged particles emitted from the sun during a solar flare penetrate the earth's magnetic shield and collide with atoms and molecules in our atmosphere. these collisions result in countless little bursts of light, called photons, which make up the aurora.

auroras are generated by charged solar particles hitting molecules in earth's atmosphere. this usually happens in high latitudes, because our planet’s magnetic field tends to funnel these particles toward the poles. that’s why it can be experienced in northern ohio.