MHT CET questions
29293 published questions with worked solutions.
- Two equal resistances are introduced in two gaps of a metre bridge. The shift in the null point if an equal resistance is...
- With an unknown resistance X in the left gap and a resistance R in the right gap of a meter bridge, the neutral point is obtained...
- A resistance of potentiometer wire is 1 /m. A Daniel cell of e. m. f. 1.08 V balances at 216 cm on potentiometer. The current...
- A cell of e. m. f. 2 V and internal resistance 0.5 is connected across a resistor R. The current that flows is same as that, when...
- In comparing e. m. f. of two cells by a potentiometer, balance point is obtained on 5th wire, the current flowing through the...
- The internal resistance of an ideal cell is
- If the resistance across a 12 V source is increased by 4 . the current drops by 0.5 A. The original resistance was
- A voltmeter has a resistance of 80 . When it is connected to a battery of e. m. f. 6 V and of internal resistance 2 , the reading...
- Potential difference across terminals of a particular battery is measured in two way. First with potentiometer which indicates...
- The thermo e. m. f. of a thermocouple is 40 /K at room temperature. A galvanometer of resistance 50 is capable of detecting a...
- At room temperature, the thermo e. m. f of copper-constantan is 50 /^ . The smallest temperature difference that can be measured...
- The neutral temperature of a thermocouple is 350^ when the cold junction is 0^ . when the cold junction is immersed in a bath of...
- Kirchhoff's laws are used to calculate currents and potential differences in
- According to the Kirchhoff's laws in an electric circuit, the algebraic sum of current at any junction is
- According to Kirchhoff's law, the algebraic sum of the products of current and resistance as well as e. m. f.s in a closed loop is
- In a closed circuit, the vector sum of total e. m. f.s is equal to the sum of the
- What determines the conventional direction of the product of current and resistance while applying the Kirchhoff's laws?
- A 50 V battery is connected across a 10 resistor and a current of 4.5 A flow. The internal resistance of the battery is
- Kirchhoff's current law is the law of conservation of
- A metrebridge cannot be used to determine