QUESTION 20 Consider the AC voltage shown below. (50nt +) v Specify the peak-to-peak voltage in units of Volts. DO NOT ENTER UNITS IN THE BOX BELOW. v₁ (t) = 2* cos(50nt +
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- You are a journeyman electrician in an industrial plant. You have been assigned the task of connecting a 25-kW electric heater to a 240-V, single-phase panel. The heater is located in an area with an ambient temperature of 90°F. The conductors are to be copper with Type TW insulation. The heater is expected to operate for more than three hours at a time. What size conductors would you use to connect this heater? Is this correct? I=P/EI=25000 W/ 240 VI= 104.17 amps x 125%I= 130.21 amp/ .96I= 135.63 amp2/0 AWG conductor will be neededAn electric water heater has a rating of 1 kW, 230 V. The coil used as the heating element is 10 m long and has a resistivity of 1.724 x 10-6 ohm - cm. Determine the required diameter of the wire in mils?Two coils A and B known to have the same resistance are connected across a 110-volts, 60cycle line. The current and power delivered by the source are 5.8 Amperes and 500 watts,respectively. If the voltage across coil A is twice that across coil B, calculate the inductance ofcoil B.
- 62. A power plant costumer draws power at 220 volts from transformers on a pole. Current transformers with ratio of 200/5 are used to meter the electrical usage. What is the multiplier of the kW-hr and demand meters? a. 50 b. 45 c. 40 d. 55Answer the Last Question of Electrical energy utilizationUse KCL and KVL Equations. Please answer within an hour, thank you!
- Every device in a DC, whether a light or electric motor, can be replaced by an electric ________?a.) resistorb.) loadsc. receiverd. conductanceAnalyze the current and voltage values, thank you in advance.Airframe Electrical System Question: By what means should aircraft electrical circuits/wires be protected from excessive current? (Source: FAA AC 43.13-1B/2B)
- What load may be used for an electric range rated at not over 12 kW? (Table 220.55) _____Calculate the gauge of TW type copper wires required for a two-conductor power supply in an FMC tube carrying a current of 60 A 30 C. (show table).A copper transmission line is to be replaced by one of aluminum having the same total resistance. If the cross sectional area of the copper wire is 0.005m2 , what would be the cross sectional area of the new aluminum wire? Note: DRAW THE DIAGRAM