TPC electricity and magnetism- Questions
and Answers
DO NOT have many free electrons and serves as a protective barrier between a worker and
conductor. Insulators
To DECREASE the resistance of a conductor, we can increase the _____ of that conductor.
Cross-Sectional Area
What is the flow from NEGATIVE to POSITIVE called? Electron Flow
Acts similar to resistors, OPPOSES changes in current. (+) or (-). Inductors
In a SERIES circuit, the ________ is the SAME at all points in the circuit. Current
In a PARALLEL circuit, the ______ is the SAME at all branches of the circuit. Voltage
The NEC defines a qualified person as someone who is familiar with equipment operation
and hazards
symbol is (E) in ohms law equation Voltage
symbol is (I) in ohms law equation Current
, symbol is (R) in ohms law equation Resistance
A subatomic particle that has a POSITIVE charge and that is found in the nucleus of an atom
Proton
Has NO electrical charge and is considered neutral Neutron
One _________ is equal to one coulomb per second. Ampere
the amount of CHARGE a capacitor can store compared to the potential difference between
terminals Capacitance
A ________ semiconductor has a (-) charge and is also called a DONOR because it donates
electrons to other materials. N-type
A ______ semiconductor has a (+) charge and is also called an ACCEPTOR because it "accepts"
electrons from other materials. P-type
The effect of the current on the human body depends on 3 factors: the intensity of current, the
duration of the current, and the _______. pathway of the current
and Answers
DO NOT have many free electrons and serves as a protective barrier between a worker and
conductor. Insulators
To DECREASE the resistance of a conductor, we can increase the _____ of that conductor.
Cross-Sectional Area
What is the flow from NEGATIVE to POSITIVE called? Electron Flow
Acts similar to resistors, OPPOSES changes in current. (+) or (-). Inductors
In a SERIES circuit, the ________ is the SAME at all points in the circuit. Current
In a PARALLEL circuit, the ______ is the SAME at all branches of the circuit. Voltage
The NEC defines a qualified person as someone who is familiar with equipment operation
and hazards
symbol is (E) in ohms law equation Voltage
symbol is (I) in ohms law equation Current
, symbol is (R) in ohms law equation Resistance
A subatomic particle that has a POSITIVE charge and that is found in the nucleus of an atom
Proton
Has NO electrical charge and is considered neutral Neutron
One _________ is equal to one coulomb per second. Ampere
the amount of CHARGE a capacitor can store compared to the potential difference between
terminals Capacitance
A ________ semiconductor has a (-) charge and is also called a DONOR because it donates
electrons to other materials. N-type
A ______ semiconductor has a (+) charge and is also called an ACCEPTOR because it "accepts"
electrons from other materials. P-type
The effect of the current on the human body depends on 3 factors: the intensity of current, the
duration of the current, and the _______. pathway of the current
