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TPC electricity and magnetism Test | Questions and Answers Verified 100% Correct
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TPC electricity and magnetism Test | Questions and Answers Verified 100% Correct
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TPC electricity and magnetism Test | Questionsand Answers Verified 100% Correct
Device for producing a potential difference consists of two different metals WELDED together -
✔✔Thermocouple
the maximum potential difference that can be applied across a diode in the REVERSE direction
without destroying it - ✔✔Peak Inverse Voltage
in the vacuum tube, the _______ is a metal plate with a POSITIVE charge - ✔✔Anode
The purpose of a ______ in an ammeter is to carry current AROUND the meter movement -
✔✔Shunt
a THERMOcouple is an example of a device that uses ______ to generate electricity -
✔✔HEAT
HAS many free electrons - ✔✔Conductors
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
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