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Potential drop per device length is called potential gradient. 8. 1 2l 1 l 2 350500 710 so, 2 10 times 27 207 Sixth is v 9. There are usually many more useful educational material which the students can download in pdf format and make use of them for studies. Study materials like concept routes, important and sure shot question banks, fast to find out flash credit cards, flow charts, mind maps, teacher records, important formulations, past exams question lender, important concepts taught by teachers. Students can download these helpful educational materials free and make use of them to obtain better marks in examinations. Also send to various other worksheets for the same chapter and various other subjects as well. PRACTICAL BASED QUESTION 1. OHMS Legislation 1. A constant potential difference is usually maintained across two résistors of resistances R 1 and L 2 (Ur 2 1 ). In which conductor less current can flow and why Ans; Resistor L 1; since current is inversely proportional to opposition. Give good examples of ohmic ánd non ohmic cónductors. Ans. Ohmicconductor:- magnet at constant temperature,Non ohmicconductor:- electrical light bulb, diodes 3.In the Ohms rules experiment, if the position of ammeter ánd volt meter are interchanged, what happens to the dimension psychic readings Ans. Physics Practicals Questions Series With AnotherTwo resistors of resistance L and 2R linked in parallel and the mixture are connected in series with another resistor of opposition 4R, (a) discover the proportion of current in parallel mixture. If a source of V volt will be linked across the free terminals, what can be the ratio of possible difference between the junctións Ans:- (a) 2: 1 (w) 1: 6 5. In the Ohms regulation experiment copper cable and nichrome cable are utilized for the same duration and area of mix section. Of the two wires which has higher resistivity If nichrome cable and the copper wire are usually interchanged Is certainly Ohms law still valid Ans:-Nichrome cable has higher resistivity. What will be resistivity Ans: It is definitely described as the level of resistance offered by a wire of device length and unit region of combination section. Write the dimensions of opposition and resistivity. What can be the Beds I unit of conductivity Ans:- Ohm -1 meters -1. Attract the graph between conductivity ánd resistivity of á metal conductor Ans:- 1. Meter Link Potentiometer Worksheet 1 Title of The Chapters-Meter Bridge Potentiometer 1 In a meter Link, the stability point is certainly discovered to be at 39.5 cm from its zero finish, when the resistor R is certainly 12.5. Determine the worth of resistance X. Why are usually the connection between résistors in a méter Bridge produced of dense copper pieces 3. What occurs if the galvanometer mobile are usually interchanged at the stability stage of the bridge Would the galvanometer will show any current 4. In a meter link exp., stability point had been noticed at distance l from its zero finish. The values of known resistors L and A were bending and after that interchanged. What would be the new position of new balance point (ii) If thé galvanometer and electric battery are interchanged at the balance stage, how will the balance point obtain impacted 5. In a meter link exp., the stability point is certainly discovered to at 40 cm from its zero end. When the resistor Y is usually of value 20 is definitely in the right gap of the meter link unfamiliar resistor Back button can be in the left gap. Compute the handling length if X and Con are usually interchanged. In a meter connection, two unidentified resistors L and H are connected in the still left and correct space respectively and the null stage is discovered at a length of 40 cm from the zero finish. If a level of resistance of 12 is definitely linked in parallel with Beds, the null stage occurs at 50 cm from zero end. Determine the values of Ur and Beds. What do you indicate by potential gradient 8. A student utilizes a cell of emf 2 V and discovered the stability stage at distance 350 cm. When a mobile of unfamiliar emf can be connected and stability point change 150 cm ahead than earlier. Discover the unfamiliar emf. The balance factors in a potentiometer test is found to be at 600 cm and 400 cm respectively by making use of a identified level of resistance 50 and a mobile of emf 6 V. Find the internal level of resistance of the mobile. In a potentiometer agreement, a mobile of emf 1.25 Sixth is v gives a balance point at 35 cm size of the wire. If the mobile is changed by another mobile and the balance point changes to 63 cm. Potential drop per device length is definitely called possible gradient.
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