Lec 10 | Chap 3 | विभवमापी Potentiometer | विधुत धारा | 12th/ NEET-JEE/ Physics | By Gopal sir

Class 12 Physics (Hindi)| Chapter 3 धारा विद्युत् Part 2 | Important Questions | UP Boards

Class 12 Physics (Hindi)| Chapter 3 धारा विद्युत् Part 1| Important Questions | UP Boards

Figure 6.12 shows a potentiometer circular for comparison of two resistances. The balance point with a standard resistor R = 10.0 Omeag is found to be 58.3 cm , while that with the unknows resistance X is 68.5 cm . Determine the value of X . What would you do if you fail to find a balance point with the given cell E ?

Read the following information carefully to answer the questions that follow. In a survey of 25 students, it was found that 15 have taken Mathematics. 12 have taken Physics and 11 taken Chemistry, 5 have taken Mathematics and Chemistry, 9 have taken Mathematics and Physics, 4 have taken Physics and Chemistry and 3 have taken all the three subjects. The number of students who have taken only two subjects, is (a)7 (b)8 (c)9 (d)10

Meeta correctly remembers that her father's birthday is after 8th July but before 12th July. Her brother correctly remembers that their father's birthday is after 10th July but before 15th July. On which day of July was definitely their father's birthday ? 1) 10th 2) 11th 3) 10th or 11th 4) Can't be determined 5) None of these

An examination was held during the 2 weeks of April 3rd-Sunday to 16th Saturday. There was 1 paper for the six subjects - Physics, Chemistry, Biology, Maths, English and Hindi. Only 1 paper per day No exam on Saturdays and Sundays and Holiday on April 5th. Only 3 exams were there in a week. Chemistry was before Biology and Maths was on the next day of Hindi. The day on which the paper of biology and maths were held was the same, while that for chemistry and physics was also the same. There was no exam for 3 days between Physics and the exam prior to it. Hindi exam on Tuesday and one exam between Hindi and English exam. There was at least a gap of one day between any 2 science paper. Which of the following exam was held on April 12th ?