Rubbing your foot on rug is an example of ______- charging.
friction
What the unit for current?
AMPS
Who invented DC
Thomas Edison
Conductors have a ________ resistance
LOW
(93 x 62) + 122 = ?
5910
Whats the equation for coulombs law?
F = k l q1 q2 l
_____________
r2
What the unit for resistance?
Ohms
What is the value of k in Coulombs Law
8.99 x 109
Insulators have a ____ resistance
HIGH
How many balloon d'or does Cristiano Ronaldo have?
5
Voltage is the _____ of a waterfall.
height
Whats the unit for voltage?
volts
What direction does electricity flow in a circuit?
positive to negative.
Whats the equation for power?
P=IV
Pele won how many world cups?
3
rocks
What is the amp of a 200V battery running through a 5 ohms resistor?
40 amp
Opposite charges_____ while like charges__.
attract
repel
an electric motor runs on 54V at 7.9. How much power does it draw?
426.6W
Who invented the air fryer?
Fred van der Weij
a light bulb turns what energy into what other two energies.
eletric into light and heat
what is the voltage of a battery that produces 9.7 amps through a 3.4 ohm resistor?
32.98 V
Creating an electric force without contact is called___?
Induction
Who invented AC
Nickola Tesla
What color is the sun?
white apparently what Mr Smith said.