Physics question and answers for December 23, 2023
- Q When a resistance of 2 ohm is connected across the terminals of a cell the current is 0 5A When the resistance is increased to 5 ohm the current is...
- Q 15 An energy source will supply a constant current into the load if its internal resistance is A equal to the resistance of the load C zero W CE0055 AIEEE...
- Q m The figure shows a network in which the cells is ideal and it has an emf E The potential difference across the resistance 2R is E 4R
- Q a A C meters can measure D C also X b If A C meter measures D C there scale must be linear and uniform c A C and D...
- Q network of resistances is 202 D neet prep 1 2 3 20 3V ww 252 20 252 www 202 202 M E 202 www 202 6 Five equal resistances each...
- Q 3 R RB R 4 Information is not sufficient 16 Variation of current passing through a conductor as the voltage applied across its ends as varied is shown in the...
- Q 20 A torch bulb rated 4 5 W 1 5 V is connected as shown in Fig 7 35 The emf of the cell needed to make the bulb glow...
- Q 62 A thin flexible wire of length L is connected to two adjacent fixed points and carries a current I in the clockwise direction as shown in the figure When...
- Q 61 When a wire of uniform cross section a length and resistance R is bent into a complete circle resistance between two of diametrically opposite points will 2005 be a...
- Q n vn he Six similar bulbs are connected as shown in the figure with a DC source of emf E and zero internal resistance The ratio of power consumption by...
- Q In the circuit shown in figure find the value of r interna resistance of the cell for which power transferred by the cell is maximum 50V 1 40 2 120...
- Q A three phase 100 MVA 25kV generator has solidly grounded neutral The positive negative and the zero sequence reactances of the generator are 0 2 pu 0 2 pu and...
- Q A cone of the radius of base 1 m and height 2 m is placed with its base in the xz plane in a region with the uniform electric field...
- Q The instantaneous value of current in an A C circuit is I 2 sin 100 t 3 A The current will be maximum for the first time at Question Type...
- Q e y 0 n d 9 In the Wheatstone s bridge shown in figure X Y and A B The direction of the current between ab will be 1 From...
- Q 2 0 kn and a 4 0 k resistor are connected in rallel this combination is connected in series h a 1 1 k resistor Part A If each resistor...
- Q For the circuit shown in the figure Figure 1 find the current through and he potential difference across each resistor You may want to review Page gure 12 V 3...
- Q In an LCR series ac circuit the voltage across L C and R is 10V each If the inductor is short circuited the voltage across the capacitor would become 1...
- Q Combination Contact Number In the network of resistors shown in the adjoining figure the equivalent resistance between A and B is A 302 302 of Resistors 9667591930 8527521718 1 54...
- Q By using only two resistance coils singly in series or in parallel one should be able to obtain resistances of 3 4 12 and 16 ohms The separate resistances of...
- Q The Wheatstone bridge shown in figure here gets balanced when the carbon resistor used as R has the colour code Orange Red Brown The resistors R and R4 are 800...
- Q 19 A voltmeter has resistance of 2000 ohms and it can measure upto 2V If we want to increase its range to 10 V then the required resistance in series...
- Q In circuit shown below the resistances are given in ohms and the battery is assumed ideal with emf equal to 3 volt The voltage across the resistance R4 is HHH...
- Q oblem 3 18 What will be the resistance of a sem circle shown in fig between its two end faces Giver that radial thickness is 3cm axial thickness is 4cm...
- Q Example 3 12 cells each having the same emf values are connected in series and are kept in a closed box Some of the olls are wrongly connected This battery...
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