In a parallel circuit, the size of the current flowing through each device may be different
a. True
b. False
Indicate whether the statement is true or false
True
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The magnetic force on a point charge in a given magnetic field and at a given speed is largest when it
A. has velocity components both parallel to and perpendicular to the field. B. moves perpendicular to the magnetic field. C. moves in the direction opposite to the magnetic field. D. moves in the direction of the magnetic field.
Power: When the current through a resistor is increased by a factor of 4, the power dissipated by the resistor
A. decreases by a factor of 4. B. decreases by a factor of 16. C. increases by a factor of 16. D. increases by a factor of 4. E. increases by a factor of 2.
Due to their great masses, all four jovian worlds are much denser than the Earth
Indicate whether the statement is true or false
A capacitor of unknown capacitance C is charged to 100 V and then connected across an initially uncharged 60-?F capacitor. If the final potential difference across the 60-?F capacitor is 40 V, determine C
a. 49 ?F b. 32 ?F c. 40 ?F d. 90 ?F e. 16 ?F