Physics question and answers for December 03, 2023
- Q Design a Wheatstone bridge circuit the values resistances are P 1000 Q 100 R 2005 and S 200 2 The battery has an emf of 5V ar negligible internal resistance...
- Q 9 b A 4 pole d c shunt generator with a shunt field resistance of 100 2 and armature resistance of 1 2 has 378 wave connected conductors in its...
- Q 7 The combination of two bar magnets makes 5 oscillation second when like poles tied together while 1 oscillation second when unlike poles are tied together The ratio of magnetic...
- Q 2 The figure shows part of certain circuit The magnitude of potential difference between points C and B is C 3A 1 8V www 192 12V www www 292 50...
- Q Identify the correct statements regarding power MOSFET You can select multiple correct options Power MOSFET has lower switching lobses but have more on resistance Power MOSFET is current controlled device...
- Q 28 50 In a potentiometer circuit a cell of EMF 1 5 V gives balance point at 36 cm length of wire If another cell of EMF 2 5 V...
- Q Q 4 In any industry it is having three phase 440V 50Hz ac supply and carrying some electrical equipments for working on a machine In a manager room there is...
- Q Which of the following is true for step up transformer Primary voltage is high Secondary current is small Primary current is small O Both 1 3 min
- Q student is working on 3 phase 50 Hz 4 pole induction motor having slip 5 Then selecting the value slip determine following Determine frequecy of rotor cu OPTIONS 3 5...
- Q PASSAGE A student is working on 3 phase 50 Hz 4 pole induction motor having slip 5 Then selecting the value of slip determine following Choose the correct option Marks...
- Q Each question carries 10 Marks 10 X When two two port networks are connected in parallel which parameter should be found and why
- Q 5 Calculate the r m s value the form factor of a periodic voltage having the following values for equal time intervals changing suddenly from one value to the next...
- Q 4 A potentiometer wire of length L and a resistance r are connected in series with a battery of e m f E and a resistance r An unknown e...
- Q The voltage across a load is controlled by using the circuit diagram shown in Fig 87 The resistance of the load and of the U Fig 87 R potentiometer is...
- Q Circuit for the measurement of resistance by potentiometer is shown The galvanometer is first connected at point A and zero deflection is observed at length P J 10 cm In...
- Q A voltmeter of resistance 1000 2 gives full scale deflection when a current of 100 mA flow through it The shunt resistance required across it to enable it to be...
- Q A galvanometer can withstand safely a maxin converted into voltmeter of range 40 V by connecting in series an external resistance of 3880 Q The resistance of galvanometer is O...
- Q A galvanometer having 30 divisions has a current sensitivity of 20 A per division It has a resistance of 25 ohms a How will you convert it into an ammeter...
- Q in the shown network of resistive wire current enters at O and leaves out at A Resistances Ro4 Ros Roc RoD RAB Rec RcD R0A R Choose the correct option...
- Q 02 To convert galvanometer into voltmeter the a high resistance is connected in series with galvanometer b high resistance is connected in parallel with galvanometer c low resistance is connected...
- Q A galvanometer can withstand safely a maximum current of 10 mA It is converted into voltmeter of range 40 V by connecting in series an external resistance of 3880 Q...
- Q 10 With a resistance R connected in series with a galvanometer of resistance 100 92 it acts as a voltmeter of range 0 to 10 V To double the range...
- Q PHYSICS 35 The resistance of the metre bridge AB in given figure is 4 92 With a cell of emf 0 5 V and rheostat resistance R 2 2 the...
- Q Listen When attempting to measure current flow the ammeter should be inserted directly into the circut so as to force each and every charge through the meter itself 1 True...
- Q Slip Rings Brush Load Q 52 The energy conversion taking place in the above set up is a Magnetic energy into electrical energy b Electrical energy into magnetic energy c...
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