6.3 And 6.4 Question Preview (ID: 12970)
Power In Electrical And Thermal Systems.
TEACHERS: click here for quick copy question ID numbers.
Electrical power is the rate at which what is done
a) energy
b) forces
c) pressure
d) electrical work
Which of the following is not a formula for electrical power?
a) work/time
b) current squared times resistance
c) voltage squared times resistance
d) V*q/t
If you are given a problem with power and voltage, what would you do to find current
a) power times voltage
b) power divided by voltage
c) voltage divided by power
d) voltage plus power
If you are given a current of 3 amps and a voltage of 2 volts, what is your power?
a) 6 meters
b) 6 lbs/sec
c) 6 watts
d) 6 hp
How much current flows through a 600 W toaster in use on a 120 V circuit?
a) 480 A
b) 5 A
c) 0.2 A
d) 72000 A
The power company measures your energy usage in what units?
a) watts
b) kWh
c) Wh
d) V*A
What does q stand for in an equation?
a) quantity
b) quality
c) charge
d) heat
One watt = ?
a) 3.413 Btu/hr
b) 2545 Btu/hr
c) 1 Btu/hr
d) 14.3 Btu/hr
1 hp =
a) 0.239 cal/sec
b) 0.324 cal/sec
c) 178.2 cal/sec
d) 1 cal/sec
1 hp =
a) 746 watts
b) 550 watts
c) 0.293 watts
d) 1 watt
Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 12970 in the upper right hand corner or click here.
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 12970 in the upper right hand corner or click here.
TEACHERS / EDUCATORS
Log In | Sign Up / Register
Log In | Sign Up / Register