Maths-
General
Easy
Question
The tangent to the graph of the function 
at the point with abscissa 
form an angle of 
and at the point 
, an angle of 
and at the point 
, an angle of 
The value of 
( 
is supposed to be continuous) is:
- None of these
The correct answer is: None of these
Related Questions to study
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The integral 
equals‐
The integral equals‐
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If 
, then 
equals :
If , then equals :
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The figure shows a network of four resistances and three batteries Choose the correct alternative
The figure shows a network of four resistances and three batteries Choose the correct alternative
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The figure shows a network of resistances in which the point A is earthed.
The point which has the least potential is
The figure shows a network of resistances in which the point A is earthed.
The point which has the least potential is
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The figure shows a network of five resistances and two batteries The current through the 30V battery is
The figure shows a network of five resistances and two batteries The current through the 30V battery is
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If X, Y and Z in figure are identical lamps, which of the following changes to the brightnesses of the lamps occur when switch S is closed?
If X, Y and Z in figure are identical lamps, which of the following changes to the brightnesses of the lamps occur when switch S is closed?
physics-General
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The current in a metallic conductor is plotted against voltage at two different temperatures 
The current in a metallic conductor is plotted against voltage at two different temperatures
physics-General
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In the box shown current i enters at H and leaves at C. If 
choose the branch in which current is zero
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physics-General
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When an ammeter of negligible internal resistance is inserted in series with circuit it reads 1A. When the voltmeter of very large resistance is connected across X it reads 1V. When the point A and B are shorted by a conducting wire, the voltmeter measures 10 V across the battery. The internal resistance of the battery is equal to
When an ammeter of negligible internal resistance is inserted in series with circuit it reads 1A. When the voltmeter of very large resistance is connected across X it reads 1V. When the point A and B are shorted by a conducting wire, the voltmeter measures 10 V across the battery. The internal resistance of the battery is equal to
physics-General
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A wire has a non-uniform cross-section as shown in figure. A steady current flows through it. The drift speed of electrons at points P and q is 
A wire has a non-uniform cross-section as shown in figure. A steady current flows through it. The drift speed of electrons at points P and q is
physics-General
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The diagram besides shows a circuit used in an experiment to determine the emf and internal resistance of the cell C. A graph was plotted of the potential difference V between the terminals of the cell against the current I, which was varied by adjusting the rheostat. The graph is shown on the right ; x and y are the intercepts of the graph with the axes as shown. What is the internal resistance of the cell ?
The diagram besides shows a circuit used in an experiment to determine the emf and internal resistance of the cell C. A graph was plotted of the potential difference V between the terminals of the cell against the current I, which was varied by adjusting the rheostat. The graph is shown on the right ; x and y are the intercepts of the graph with the axes as shown. What is the internal resistance of the cell ?
physics-General
physics-
In the arrangement shown in figure when the switch 
is open, the galvanometer shows no deflection for l = L/2. When the switch is closed, the galvanometer shows no deflection for l = 5L 12. The internal resistance (r) of 6 V cell, and the emf E of the other battery are respectively
In the arrangement shown in figure when the switch is open, the galvanometer shows no deflection for l = L/2. When the switch is closed, the galvanometer shows no deflection for l = 5L 12. The internal resistance (r) of 6 V cell, and the emf E of the other battery are respectively
physics-General
physics-
A battery of emf 
V is connected across a 4m long uniform wire having resistance 4 
/m. The cells of small emfs 
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A battery of emf V is connected across a 4m long uniform wire having resistance 4 /m. The cells of small emfs having internal resistance 2 and 6 respectively, are connected as shown in the figure. If galvanometer shows no deflection at the point N, the distance of point N from the point A is equal to
physics-General
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In the given potentiometer circuit length of the wire AB is 3 m and resistance is R = 4.5 . The length AC for no deflection in galvanometer is
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physics-General
physics-
An ammeter A of finite resistance, and a resistor R are joined in series to an ideal cell C. A potentiometer P is joined in parallel to R. The ammeter reading is I0 and the potentiometer reading is 
P is now replaced by a voltmeter of finite resistance. The ammeter reading now is I and the voltmeter reading is V
An ammeter A of finite resistance, and a resistor R are joined in series to an ideal cell C. A potentiometer P is joined in parallel to R. The ammeter reading is I0 and the potentiometer reading is P is now replaced by a voltmeter of finite resistance. The ammeter reading now is I and the voltmeter reading is V
physics-General
