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Which of the following is a correct method to calculate the EMF of a galvanic cell? + b) Standard EMF of the cell = – c) E°cell = E°cathode – E°anode d) Standard EMF of the cell = +
Consider the following statements The equivalent emf is equal to the individual emf of the cells in the series combination of cells having the same emf.  The equivalent emf is equal to the individual emf of the cells in the parallel combination of cells having the same emf. Which of the following statement is correct?
A company recruits candidates satisfying the following criteria -  1. Candidates who secured at least 85% in standard 10th or equivalent. 2. Candidates who secured at least 65% in standard 12th or equivalent. 3. Candidates who are not from commerce background. Who among the following candidates will the company definitely select? A. Jitesh is a science student having scored 70% in standard 12th and 80% in 10th with an excellent sports background. B. Jignesh scored 80% in standard 12th, 90% in standard 10th and secured 2nd place in his college among all commerce students. C. Jayesh scored 75% in standard 10th, 75% in standard 12th and is an arts student. D. Jinesh secured 80% in standard 12th, 88% in standard 10th and is a science student with great acting skills
A thermocouple-based temperature measurement system is shown in the adjoining figure. Relevant thermocouple emf data (in mV) is given below. The cold junction is kept at 0°C. The temperature is 30°C in the other parts of the system. The emf V is measured to be 26.74 mV. Th temperature of the hot liquid is Temp. emf of Chromel- Constantan emf of Copper- Constantan 10°C 0.591 0.391 20°C 1.192 0.789 30°C 1.801 1.196 370°C 26.549 19.027 380°C 27.345 19.638
The emf of the Weston standard cell is __________ at 20oC.
The given table shows the number of students and their class. Division A students are scholars who get a 25% rebate in fees. In addition, all girls students get 40% subsidy. If the fee per student a year WITHOUT rebate or subsidy is Rs. 10,000, then find the total fees collected from the students of these 6 classes for that year. Division  /Standard  Boys Girls Division A /Standard 9 20 40 Division B /Standard 9 40 35 Division C /Standard 10 20 20 Division A /Standard 10 40 20 Division B /Standard 10 20 40 Division C /Standard 10 20 15
Refer the below data table and answer the following Question : Division/Standard Boys Girls Division A/Standard 5 20 30 Division B/Standard 5 15 20 Division C/Standard 5 30 10 Division A/Standard 6 30 25 Division B/Standard 6 30 25 Division C/Standard 6 30 20   What is the ratio of Boy’s to Girl’s? 
What is the standard reduction potential of the cathode of a galvanic cell if the standard EMF of the cell and the standard reduction potential of the anode are 2.71 and -2.37 respectively?
Column A lists the cell parts and Column B lists the functions of the cell part. Column A Column B i. Cell wall A. Control what happens ii. Cell membrane B. Supports the cell. iii. Cytoplasm C. Controls what passes in and out of the cell. iv. Nucleus D. Cell reactions happen in it. Which one of the following options is correct?
E.m.f. of a Weston cell is accurately measured by