MEASUREMENTS AND ELECTRONIC INSTRUMENTS (EE21004) TUTORIAL-I SECTION 1: QUALITY OF MEASUREMENTS Q1. (a) A meter ‘I’ has ± 5% accuracy on true value while another ‘II’ has ±5% accuracy on scale range. Both the meters have the same scale range. Calculate the ratio of accuracy of the two meters for a deflection of 10% of full scale range in each meter. [1:10] (b) A 0-100V voltmeter has 200 scale divisions which can be read to half a division. Determine resolution of meter in volt. [0.25 V] (c)
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PREPARED BY RATUL PAUL(08122003049) SAMOSHRI MITRA(08122003058) DEBAPAM DAS(081220030) ARNAB BISWAS(08122003023) UNDER THE GUIDANCE OF Prof. Ramanath Dutta Department of Electronics and Communication Engineering ST. THOMAS’ COLLEGE OF ENGINEERING & TECHNOLOGY 4 Diamond Harbour Road‚ Kidderpore Kolkata 700 023 CERTIFICATE Department of Electronics and Communication Engineering ST. THOMAS’ COLLEGE OF ENGINEERING &TECHNOLOGY‚ KOLKATA This
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be prevented when PSpice is used. To prevent this‚ we connect a resistor of negligible or very low value of resistance of the resistor into each phase of delta-connected source. Second‚ the delta-connected source did not provide a node for ground node to run the simulation. Therefore‚ we inserted wye-connected large value resistor in the delta-connected source so that it can be served as ground. This means that in Circuit 1‚ a resistor of negligible or very low value of resistance is connected into
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1. A 25 ohm resistor has an average power of 400 watts. Determine the maximum value of the current if it is a (a) sinusoidal‚ (b) triangular. 2. Determine the effective value Vrms of the voltage function given by v(t) = 100+25 sin 3wt + 10 sin 5wt volts. 3. What average power results in a 25 ohm resistor when it passes a current i(t) = 2+3 sin wt +2 sin2wt + 1 sin 3wt amperes. 4. Calculate Irms if i(t) = 50 + 40 sin wt amperes. 5. Calculate Irms if i(t) = 150 + 50 sin wt +
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amp is connected to the voltage supply. Another op amp and capacitor is connected with this circuit in series. A reset switch is added to the circuit by which the value of peak value that is stored on capacitor A resistor is connected between two op amps. When choosing the resistor‚ the limits must be considered: rdf τ2 >> 1/fc‚ where fm is the modulation Frequency and fc is the carrier frequency. Working of peak voltage circuit: The typical peak detector uses voltage amplifiers and a diode
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application INFO available UC1638 UC2638 UC3638 Advanced PWM Motor Controller FEATURES • • • • • • • • Single or Dual Supply Operation Accurate High Speed Oscillator Differential X5 Current Sense Amplifier Bidirectional Pulse-by-Pulse Current Limiting Programmable Oscillator Amplitude and PWM Deadband Dual 500mA Totem Pole Output Drivers Dual 60V‚ 50mA Open Collector Drivers Undervoltage Lockout DESCRIPTION The UC1638 family of integrated circuits are advanced pulse width modulators intended
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http://mskrao.weebly.com http://mskrao.weebly.com http://mskrao.weebly.com 1. INTRODUCTION In this busy world‚ minimizing the human effort and time is the ultimate aim of technology. It may be frustrating when a tired person gets into bed and remembers he had forgotten to switch the bed light off. The project ‘automatic night lamp with morning alarm’ helps avoid this problem by switching on an LED itself when it detects darkness in the room. The LED serves as a bed lamp or a reading lamp
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household appliances like TV‚ refrigerator uses stabilizers to supply constant voltage to the appliance in spite of the fluctuations in input voltage. In this‚ we are going to explain the working of a voltage regulator using IC748 and transistors‚ resistors and capacitors. INTRODUCTION In most of the practical situations‚ the output of some systems required to be maintained at a constant level. So a voltage regulator serves the purpose. A voltage regulator is designed to automatically maintain a constant
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Test Item File Electronic Devices and Circuit Theory‚ 9e (Boylestad) Chapter 1: Semiconductor Diodes 1) An intrinsic semiconductor is one that is as pure as present-day technology can make it. 2) Electrons are the minority carriers in an n-type material. 3) Holes are the majority carriers in a p-type material. 4) The quantum-Volt (qV) is the unit of measurement for electron energy. 5) A free electron has a higher energy state than any that are bound to their nucleus.
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Sophia Tiongko CAL 103 D4 12 October 2023 Professor Ogden Essay 2 Final Draft The Perils of Passive Resistance When a body of people comes into power‚ there is always a risk that those who compose that body will abuse their power for personal gain and at the expense of the people they govern. Consequently‚ victims of this ugly facet of human nature are left to decide between two main methods of response: violent retaliation or amicable appeals to the government. Aggression is at times viewed as a
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