Question

Your flashlight is switched on and a wire inside it is carrying current from the positive battery terminal to the lamp input. Compare the voltage at the positive battery terminal to the voltage at the lamp input.

A.) The voltage at the positive battery terminal is slightly less than the voltage at the lamp input.

B.) The voltage at the positive battery terminal is slightly greater than the voltage at the lamp input.

C.) The voltage at the positive battery terminal is equal to the voltage at the lamp input, but not zero.

D.) The voltages at both the positive battery terminal and the lamp input are zero.

As you stand on the edge of a pond, you see the trees beyond the pond reflect in the pond's surface. To eliminate most of that reflection, you put on sunglass. Those sunglass block

A. horizontally polarized light.

B. long wavelength light.

C. vertically polarized light.

D. short wavelength light.

Answer 1

Answers :

Your flashlight is switched on and a wire inside it is carrying current from the positive battery terminal to the lamp input. Compare the voltage at the positive battery terminal to the voltage at the lamp input.

Answer : (A) The voltage at the positive battery terminal is slightly less than the voltage at the lamp input.

As you stand on the edge of a pond, you see the trees beyond the pond reflect in the pond's surface. To eliminate most of that reflection, you put on sunglass. Those sunglass block

Answer : (A) horizontally polarized light.