NEET Last 32 Years Solved 1988 – 2019 Physics and Chemistry Video Solutions
Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions
Consider the following two statements (A)Kirchhoff’s junction law follows from conservation of charge. (B)Kirchhoff’s loop law follows from conservation of energy Which of the following is correct ?
22
Aug
Consider the following two statements (A)Kirchhoff’s junction law follows from conservation of charge. (B)Kirchhoff’s loop law follows from conservation of energy Which of the following is correct ? Consider the following two statements (A)Kirchhoff's junction law follows from conservation of charge. (B)Kirchhoff's loop law follows from conservation of energy Which of the following is correct [...]
A galvanometer has a coil of resistance 100 Ohms and gives a full-scale deflection for 30 mA current. If it is to work as a voltmeter of 30 V range, the resistance required to be added will be
22
Aug
A galvanometer has a coil of resistance 100 Ohms and gives a full-scale deflection for 30 mA current. If it is to work as a voltmeter of 30 V range, the resistance required to be added will be A galvanometer has a coil of resistance 100 Ohms and gives a full-scale deflection for 30 mA [...]
A millivoltmeter of 25 mV range is to be converted into an ammeter of 25 A range. The value (in ohm) of necessary shunt will be
22
Aug
A millivoltmeter of 25 mV range is to be converted into an ammeter of 25 A range. The value (in ohm) of necessary shunt will be A millivoltmeter of 25 mV range is to be converted into an ammeter of 25 A range. The value (in ohm) of necessary shunt will be August 22, 2020 [...]
A wire of resistance 4 ohm is stretched to twice its original length . The resistance of stretched wire would be
22
Aug
A wire of resistance 4 ohm is stretched to twice its original length . The resistance of stretched wire would be A wire of resistance 4 ohm is stretched to twice its original length . The resistance of stretched wire would be August 22, 2020 Category: Chapter 22 - Current Electricity , NEET Last 32 [...]
In a ammeter 0.2% of main current passes through the galvanometer. If resistance of galvanometer is G, the resistance of ammeter will be
22
Aug
In a ammeter 0.2% of main current passes through the galvanometer. If resistance of galvanometer is G, the resistance of ammeter will be In a ammeter 0.2% of main current passes through the galvanometer. If resistance of galvanometer is G the resistance of ammeter will be August 22, 2020 Category: Chapter 22 - Current Electricity [...]
A circuit contains an ammeter ,a battery of 30 V and a resistance of 40.8 ohm all connected series. If the ammeter has a coil of resistance 480 ohm and a shunt of 20 ohm, the reading in the ammeter will be
22
Aug
A circuit contains an ammeter ,a battery of 30 V and a resistance of 40.8 ohm all connected series. If the ammeter has a coil of resistance 480 ohm and a shunt of 20 ohm, the reading in the ammeter will be a battery of 30 V and a resistance of 40.8 ohm all connected [...]
Two metal wires of identical dimension are connected in series. If σ1 and σ2 are the conductivities of the metal wires respectively, the effective conductivity of the combination is
22
Aug
Two metal wires of identical dimension are connected in series. If σ1 and σ2 are the conductivities of the metal wires respectively, the effective conductivity of the combination is the effective conductivity of the combination is Two metal wires of identical dimension are connected in series. If σ1 and σ2 are the conductivities of the [...]
Across a metallic conductor of non-uniform cross-section a constant potential difference is applied. The quantity which remain constant along the conductor is
22
Aug
Across a metallic conductor of non-uniform cross-section a constant potential difference is applied. The quantity which remain constant along the conductor is Across a metallic conductor of non-uniform cross-section a constant potential difference is applied. The quantity which remain constant along the conductor is August 22, 2020 Category: Chapter 22 - Current Electricity , NEET [...]
If power dissipated in the 9Ω resistor in the circuit shown is 36 Watt, the potential difference across the 2Ω resistor is
22
Aug
If power dissipated in the 9Ω resistor in the circuit shown is 36 Watt, the potential difference across the 2Ω resistor is If power dissipated in the 9Ω resistor in the circuit shown is 36 Watt the potential difference across the 2Ω resistor is August 22, 2020 Category: Chapter 22 - Current Electricity , NEET [...]
A, B and C are voltmeters of resistance R, 1.5 R and 3R respectively as shown in the figure. When some potential difference is applied between X and Y, the voltmeter reading are VA, VB and VC respectively. Then
22
Aug
A, B and C are voltmeters of resistance R, 1.5 R and 3R respectively as shown in the figure. When some potential difference is applied between X and Y, the voltmeter reading are VA, VB and VC respectively. Then 1.5 R and 3R respectively as shown in the figure. When some potential difference is applied [...]