Example 4.3 AD'Arsonval movement with a full scale deflection current of 50 µA and internal resistance of 500 2 is to be converted into a multirange voltmeter. Determine the value of multiplier required for 0-20 V, 0-50 V and 0-100 V.
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Q: QUESTION 3: Implement the function F(A,B,C,D) =| (0,1,2,3,4,6,7) by using a 3*8 biinary decoder. w
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Q: (a) For the circuit shown in Figure 2, plot F. 1 EDD y 1 1 1 1 01
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Q: In the circuit shown in Fig. 7.81 v(t) = 56e¬2001 V, t>0 i(t) = 8e-200 mA, t>0 %3D (a) Find the…
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Q: D3.7. In each of the following parts, find a numerical value for div D at the point specified: (a) D…
A: given: D=2xyz-y2ax+x2z-2xyay+x2yaz Cm2D=2ρz2sin2ϕaρ+ρz2sin2ϕaϕ+2ρ2zsin2ϕaz…
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- Describe the current flowing through resistor R4Q4: i) Which of the following is true for an induction cooker and a resistance cooker? Induction cooker will have greater percentage loss Resistance cooker will have greater percentage loss Induction cooker will have lower efficiency Both cookers will have equal percentage losses ii) Which of the following is true for induction cooker? The vessel used should be of non-magnetic material The vessel used should be of plastic material The vessel used should be of insulating material The vessel used should be of magnetic material iii) An induction cooker used for efficiency test is rated for 1 kW , 200V, 50 Hz, and is designed to work at unity power factor. Suitable wattmeter to measure its input power will be ______ (150 V/ 5 A) (300 V/10 A) (150 V/ 10 A) (250 V/ 10 A)If the same meter movement from no.1 is to be used in an Ayrton shunt arrangement, find the required resistances for 1 A, 500 mA and 100 mA ranges. (Given in no.1:A 500-Ω shunt resistance was connected to a 5-mA meter movement to form a 25-mA single range DC ammeter.)
- the charge/unit length in the channel of a pinched-offtransistor decreases as one proceeds from sourceto drain. However, our text argued that the currententering the drain terminal is equal to the current exiting from the source terminal. How can a constantcurrent exist everywhere in the channel betweenthe drain and source terminals if the first statementis indeed true?A given wire has a resistance of 17.5 ohms. If its length is 560m, how much length must be cut off from the wire in order to reduce its resistance to 12.5 ohms. assume to cross sectional area of the wire to be constantDiscussions:Voltage Distribution and String Efficiency of a Model Suspension Insulator 1- Comment on the results obtained.2- Give reasons for unequal potential distribution over the string.3- What is the effect of this un equality on the insulators?4- Can value of the string efficiency being equal to 100%. Explain your answer.5- Outline methods used to equalize the potential across the units.6- Why an insulator is represented as a capacitor C? What are the assumptionmodes?
- A wire of 59 in length and 4 mm2 has a resistance of 0.94 ohms. A 110-m length of wire of the same material has a resistance of 3 at the same temperature. Find the radius of this wire. The final unit must be in millimeter, mm.Consider the circuit below. Point b is grounded(potential=0). Determine the potential at a. Two resistors of cylindrical shape, A & B, made from the same material. The length of resistor A is twice that of resistor B. The diameter of B is half that of A. Determine the ratio of Resistance of A/Resistance of B.An air gap has a length of 0.1 cm. What length of iron core has the same reluctance as the air gap? The relative permeability of the iron is 5000. Assume that the cross-sectional areas of the gap and the core are the same.
- What is V4 given R4 = 237.41 MOhms?By doing the " Coloumbs Law Lab " how do you calculate the electric force on suspended balloon and the charge on each balloon? Can you give an sample calculationQUESTION TEXT A potentiometer consisting of a wire of length = 10 cm has a source of emf, ɛ = 15V connected across it. When a standard cell with emf V = 6V, in series with a voltmeter, is connected at one end of the wire and at a distance L along the wire the voltmeter circuit is in balance and the voltmeter reads zero. What is the value of the balance length L? Select one: a. 1.5 cm b. 4.0 cm c. 6.0 cm d. 2.0 cm