Problem 7 Find the voltage V across the resistor 20 Ω -j20 Ω j50 Ω 30v 20 n V 40Ω
Problem 7 Find the voltage V across the resistor 20 Ω -j20 Ω j50 Ω 30v 20 n V 40Ω
45 Ω 17Ω +94 V (a) Determine the voltage, v, when R-23 Ω. V. (b) Determine the resistance R required to cause v 16.156 V Ω. (c) Determine the resistance R required to cause v 48.46875 V Ω.
Make an RIVP table.
. . 10 Ω 8Ω 3ΩΣ Hi 30V
Please answer all parts! Thanks.
I. It is desired to construct a solenoid that will have a resistance of 6.00 Ω at 20°C and produce a magnetic field of 4.00 × 102 T at its center when it cames a current of 3.40 A. The solenoid is to be constructed from copper wire having a diameter of 0.500 mm. If the radius of the solenoid is to be 1.00 cm, determine the following. (The resistivity of copper at 20°C is...
R2-12 Ω has as emf E and a negligihi enternal resistance. a Determine the equiveoat resistance of the three resistors. The current I in ressssR is 0.40 ampere. b. Determine the emf& (Voltage) of the e. Determine the amount of charge that passes through resistor R in one minte.
At 20°C, the resistance of a sample of tungsten is 2.2 k Ω. What is the resistance of a sample when it is cooled to -10°C? Let a = 0.004403 at 20°C.
At 20°C, the resistance of a sample of nickel is 525 Ω. What is the resistance when the sample is heated to 70°C? Let a = 0.005866 at 20°C.
In the circuit below, for R= 228 Ω, find the
equivalent resistance. (in Ω)
R R a M N 2R 3R 2R 2R w b w Answer:
From the next circuit determine the resistance value between
nodes a and b.
20 Ω 8 Ω 5 Ω και 18Ω, νVΛΛ 20Ω VVΛ, 1 Ω -Λ- 2 Ω 6 -
1. A 300 V compound motor has armature resistance 0.18 Ω, series field resistance 0.3 Ω and shunt field resistance 100 Ω. The rotational losses are 200 W. On full load the line current is 25 A and the motor runs at 1800 rpm. Determine: (i) the developed mechanical power (ii) the output power (iii) the output torque (iv) the efficiency at full load 2. A 120 V series motor has 0.2 Ω field resistance. On full load, the line...