*23. Given v = 30 × 103 sin a, determine the angles at which v will be 6 mV. x

5 The voltmeters in the figure measure RMS voltages. If V, = 23 V and V, = 14.5V what is V3? %3D C R eee V2 V3 23 V None of them 8.5 V 4.5V 37.5 V O 14.5 V

4. Using superposition, determine the current through the inductance X₁ for each network in Figures below? 1₂ Xc150 03 A2 60° 801 E = 10Y Z OF

Draw phasor diagrams for the following: a) 5+j2 b) –10–j20

For the Photoflash unit. Vse 9V. RISKO C-1500 uf. R2= 120. The average power dissipated by the lamp is High voltage de supply 6.75W 8.3W 0.675W 10W 0.6W The mutual inductance sign for the following circuit is 352 www Negative R₂ Positive 2 mH 3 mH ell 5 mH www 10 Ω

calculate the magnitude of the current through the j3.3k ohm inductor. jl k2 1.2 k2 -j4.7 k2 j2.2 k2 8j3.3 k2 20 V/15° 50 V/60° Figure 24-27 ll ll

R An RC parallel circuit. A 110-V, 60.0-Hz, AC line is connected in parallel to a resistor of 1000 Q and a capacitor of 1.00 μF, as shown in figure above. Find The capacitive reactance is must nearly. 2650 j2 0-2650 j 0-60 j 60jQ

A non-sinusoidal current source (iT=2+1.5sin1000t+ 1cos30o0t- 0.5sin4000t) A is applied to the * ?circuit shown. Find the total power İL iT ic -J9N J4Q 39 W O 20 W O 55 W 28 W )!( هذا السؤال مطلوب

244. The apparent power drawn by an a.c. circuit is 20 kVA and reactive power is 12 kVA. The real power in the circuit in kW will be

An rms voltage of 22.2 V with a frequencyof 1.00 kHz is applied to a 0.290-mH inductor. (a) What is the rmscurrent in this circuit? (b) By what factor does the current changeif the frequency of the voltage is doubled? (c) Calculate the current for a frequency of 2.00 kHz