Ampere Study guides, Revision notes & Summaries

The basic unit for measuring current flow is A. atomic weight B. Coulomb C. Volt D. Ampere correct answers D. Ampere The basic unit of resistance A. Ohm B. Coulomb C. Ampere D. Volt correct answers A. Ohm Which of the following is not a valid expression of Ohm's law? A. R=EI or (R=VI) B. E=IR or (V=IR) C. I= E/R or (I=V/R) D. R= E/I or (R= V/I) correct answers A. R=EI or (R=VI) Which of the following is not a unit for measuring alternating frequencies A. Cycles per s...

T0A01 Which is a commonly accepted value for the lowest voltage that can cause a dangerous electric shock? A. 12 volts B. 30 volts C. 120 volts D. 300 volts CORRECT ANSWER (B) T0A02 How does current flowing through the body cause a health hazard? A. By heating tissue B. It disrupts the electrical functions of cells C. It causes involuntary muscle contractions D. All of these choices are correct CORRECT ANSWER (D) T0A03 What is connected to the green wire in a three-wire electrical AC plug?...

NEC 2011 Journeyman Electrical Exam Study Guide (Michigan) Grounding and Bonding: Where outside, aluminum or copper-clad aluminum grounding electrode conductors shall not be terminated within ____in. of Earth. A. 12 in. B. 18 in. C. 24 in. D. 36 in. - B. 18 in. 250.64(A) Temporary Installations: When used by personnel during construction, remodeling, maintenance repair, or demolition of a building, GFCI (ground fault circuit interrupter) protection is required for all 125 ...

Journeyman Electrician Practice Test Latest Update Graded A+ Conductors with _____ marked on the insulation are NOT approved for use in a wet location. THHN conductors with THHN insulation are approved for use in dry and damp locations only and conductors with THWN, THHW, and THW insulation are recognized for use in dry and wet locations. Given: A one-family dwelling unit with a demand load of 200 amperes is supplied with a 120/240 volt, single-phase, electrical system from the local utility ...

1. The color coding for a 30-ampere Type S plug fuse is __________. CORRECT ANSWER green 1. _______ ensures that basic continuity and correct terminations have been applied, but does not attempt to measure the information-carrying capacity of the cable runs like you would do in a commercial installation. CORRECT ANSWER Verificcation 1. According to the NEC ®, the minimum burial depth for a direct buried cable like Type UF is __________ inches. (General Rule) CORRECT ANSWER 24 1. When d...

Conductors with _____ marked on the insulation are NOT approved for use in a wet location. a. THW b. THHW c. THHN d. THWN correct answer: THHN As shown in Table 310.104(A), conductors with THHN insulation are approved for use in dry and damp locations only and conductors with THWN, THHW, and THW insulation are recognized for use in dry and wet locations. Given: A one-family dwelling unit with a demand load of 200 amperes is supplied with a 120/240 volt, single-phase, electrical system f...

The basic unit for measuring current flow is? a. Atomic weight b. Volt c. Ampere d. Coulomb Ampere Which is not a unit for measuring alternating frequencies? a. Cycles per second b. Volts c. Hertz d. Kilocycles Volts

The basic unit for measuring current flow is A. atomic weight B. Coulomb C. Volt D. Ampere Answer D. Ampere The basic unit of resistance A. Ohm B. Coulomb C. Ampere D. Volt Answer A. Ohm Which of the following is not a valid expression of Ohm's law? A. R=EI or (R=VI) B. E=IR or (V=IR) C. I= E/R or (I=V/R) D. R= E/I or (R= V/I) Answer A. R=EI or (R=VI) Which of the following is not a unit for measuring alternating frequencies A. Cycles per second B. Volts

Praxis 5442 - Physical Science Latest Update Graded A+ [Ca(NO3)2] calcium nitrate 1st law of thermodynamics The principle of conservation of energy. Energy can be transferred and transformed, but it cannot be created or destroyed. 2nd law of thermodynamics The principle whereby every energy transfer or transformation increases the entropy of the universe. Ordered forms of energy are at least partly converted to heat, and in spontaneous reactions, the free energy of the system also...

POWER ENGINEERING TECHNOLOGY (PET YR. 1): 4A ELECTROTECHNOLOGY & INSTRUMENTATION EXAM 100% CORRECT The unit that refers to a flow of electrons past a given point, over a specific period of time, is the: a. ampere b. volt c. ohm d. watt a _______ is a unit of electromotive force. a. the ampere b. the ohm c. the watt d. the volt d A basic law of electricity is, unlike charge attract eachother and like charges: a. repel eachother b. hold eachother c. attract eachoth...