A blow dryer with a resistance of 6 ohms is plugged into a 60-volt battery. How much current does it draw?
A) 30 amps B) 360 amps C) 0.1 amp D) 10 amps E) 6 amps
D
You might also like to view...
Parallel-Plate Capacitor: Which of the following will increase the capacitance of a parallel-plate capacitor? (There could be more than one correct choice.)
A. a decrease in the plate area and an increase in the plate separation B. a decrease in the potential difference between the plates C. an increase in the potential difference between the plates D. an increase in the plate area and a decrease in the plate separation E. an increase in the charge on the plates
If you measure the width of an outdoor barn with a steel tape on a very cold day, your measured width will be
A) a bit short. B) a bit long. C) the same as on an average-temperature day.
When the current through a resistor is increased by a factor of 4, the power dissipated by it
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) remain unchanged.
Contrast the volcanism of Io and Triton
What will be an ideal response?