science
The number of turns in a primary coil of a step down transformer ______ ____ the number in a secondary coil.
Greater than
the statement that current is equal to the voltage divided by resistance is known as what?
Ohms law
A path was only one route is a what
Siri circuit
Electric charge accumulated an object is known as what?
Static electricity
Electric motors change from what to what?
Electrical to mechanical
The rate at which electrical device converts one form to another is known as what?
Electrical power
in a step down transformer, the number of turns is greater in the ……….. coil then the …….. and the …….. voltage exceeds the …….. voltage.
Primary secondary input output
If leaves of an electroscope spread apart in indicates that what?
The leaves of the electroscope have received a charge
Lightning is what??
a large discharge of static electricity
The carbon rod and a standard DL serves as a what?
A conductor to transfer electrons
One source of constant electric current is a what?
Dry cell
Correct relationship between power current and voltage is what?
P=I*V
Correct relationship to find electrical energy is what?
E=P*T
When two bodies are charged, the total charge before, and after charging remains the same because of what?
Conservation of charges
charge is uniformly distributed because of what?
Excess electrons in the sphere move toward excess protons
…….. forces between charges are enormous in comparison to ……… forces?
Electrical and gravitational
An area with excess electrons is …….. net charge an area with a defeat of electrons has a ………. met charge
Negative then positive
Normally atoms are electrically neutral because they are what?
There are equal numbers of protons and electrons
electromagnetic induction is the process of producing an electric current by moving a loop wire___________.
Through a magnetic field
Electric companies usually sell electrical energy in units of what?
Kilowatt hours
Electric field lines are …….. from positive charges and …….. negative char
Directed away and towards
A ……… is a device with specific resistance and is used to control current.
Resistor
There is ……. On a current in a simple circuit when both current resistance are divided by two
No change
The flow of electric charge as current equal to one column per second is a what?
In Ampere
The region around magnets where magnetic forces act are a what?
Magnetic field