Two wires of equal length and equal diameter and having resistivities ρ₁ and ρ₂
Two wires of equal length and equal diameter and having resistivities ρ₁ and ρ₂ are connected in series. The equivalent…
7 years ago
Current Electricity
The slope of the graph showing the variation of potential difference V on X-axis
The slope of the graph showing the variation of potential difference V on X-axis and current Y-axis gives conductor Options…
7 years ago
The resistance of a carbon resistor of colour code Red-Red Green Silver is(in kΩ)
The resistance of a carbon resistor of colour code Red-Red Green Silver is (in kΩ) Options (a) 2200±5% (b) 2200±10%…
7 years ago
Number of electrons in one mC charge, given e=1.6×10⁻¹⁹ C, will be
Number of electrons in one mC charge, given e=1.6x10⁻¹⁹ C, will be Options (a) 6.25x10¹⁷ (b) 6.25x10¹⁵ (c) 1.6x10⁻¹⁶ (d)…
7 years ago
When the rate of flow of charge through a metallic conductor
When the rate of flow of charge through a metallic conductor of non-uniform cross-section is uniform, then the quantity that…
7 years ago
The current flowing through a lamp marked as 50 W and 250 V is
The current flowing through a lamp marked as 50 W and 250 V is Options (a) 5A (b) 2.5A (c)…
7 years ago
Identify the wrong statement
Identify the wrong statement Options (a) Charge is a vector quantity (b) current is a scalar quantity (c) Charge can…
7 years ago
The range of voltmeter is 10V and its internal resistance is 50Ω.
The range of voltmeter is 10V and its internal resistance is 50Ω. To convert it to a voltmeter of range…
7 years ago
How much work is required to carry a 6 μC charge from the negative terminal
How much work is required to carry a 6 μC charge from the negative terminal to the positive terminal of…
7 years ago
In a potentiometer experiment two cells of e.m.f. E₁ and E₂ are used in series
In a potentiometer experiment two cells of e.m.f. E₁ and E₂ are used in series and in conjunction and the…
7 years ago