The combination of two separated point charges of opposite sign but equal magnitude is called an electric:
a. magnapole.
c. quadrapole.
b. dipole.
d. monopole.
B
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Fill in the blank(s) with the appropriate word(s).
Nichrome wire, often used for heating elements, has resistivity of 1.0 × 10-6 ? ? m at room temperature. What length of No. 30 wire (of diameter 0.250 mm) is needed to wind a resistor that has 50 ohms at room temperature?
A) 3.66 m B) 2.45 m C) 0.61 m D) 6.54 m E) 22.4 m
Increasing the voltage across the two plates of a capacitor will produce what effect on the capacitor?
a. increase charge b. decrease charge c. increase capacitance d. decrease capacitance
Homogeneous mixtures are also called ______________
Fill in the blank(s) with correct word