Physics question and answers for January 01, 2024
- Q Each of three bulbs having same resistance can dissipate maximum power Po The maximum power the circuit of three bulbs can dissipate is O 3Po of 2 m 2Po
- Q 541 A coil of inductance L and resistance R is connected to a constant voltage source How soon will the coil current attains n n 1 fraction of the steady...
- Q The given circuit is so adjusted that maximum power dissipates across resistor R Then find the value of the power dissipated In watt across R R 37 Uhr Wafa fu...
- Q Multiply Choice Questions More Than One Options Q 7 Kirchhoff s junction rule is a reflection of a conservation of current density vector b conservation of charge c the fact...
- Q 3 60 cm 4 30 cm The resistance of the filament of a lamp increases with the increase in temperature A lamp rated 100 W and 220 V is connected...
- Q The figure shows a network of resistor each heaving value 1202 Find the equivalent resistance points A and B NKC B
- Q sessment 12 Analyze and solve the following problems Show your complete solution 1 Suppose that a 4 ohm resistor is connected in parallel with a variable resistor x Then the...
- Q mathongo mathongo mathongo mathongo mathongo mathong A 160 wire is bend to form a square loop A 9 V supply having internal resistance of 1 is connected across 0 1...
- Q The following arrangement consists of five identical metal plates marked 1 2 3 4 and 5 parallel to each other Area of each plate is A and separation between the...
- Q None of the resistors in the circuit shown in the drawing is connected in series or in parallel with one another Find a the current 15 and the resistances b...
- Q Determine the voltage and cur ent of each of the circuit elements in the shown in Figure 15 V Your answer 5002 0 75 A www 1092 Figured 1022 0...
- Q Please explain elaborately why no current flows through t he grounded wire here ge 97 The current drawn from the battery shown in the figure is TUKA a R SV...
- Q In the circuit shown the resistance of each resistor is R 100 Find the resistance in to the nearest integer which is to be connected between points C and D...
- Q About 10 of the power of a 100W light bulb is converted to visible radiation What is the average intensit of visible radiation at a distance of 1 m from...
- Q 40 N identical cells are connected to form a battery When the terminals of the battery are joined directly short circuited current I flows in the circuit To obtain the...
- Q The current i through a rod of a certain metallic oxide is given by i 0 2 V 2 where Vis potential difference across it The rod is connected in...
- Q The following figure shows a single turn rectangular coil that has a resistance of 1 25 Q The magnetic field at all points inside the coil varies according to B...
- Q One metre long metallic wire is broken into two unequal parts P and Q The part P is uniformly extended into another wire R Length of R is twice the...
- Q Under steady state condition 10 12 ww A BV 0 1 F 201 B O 102 10 2 www 200 ww ww 10 02 D 1002 C Charge on capacitor...
- Q To get maximum current in a resistance of 3ohms one can use n rows each of m cells connected in series connected in parallel If the total number of cells...
- Q If the potential difference V applied across ends of a conductor of leng I and radius r If diameter of the wire is doubled the drift velocity of fr electrons...
- Q A wire has resistance 12 2 It is bent in the form 5 of a circle The effective resistance between the two points on any diameter is equal to NCERT...
- Q n rows each containing m cells in series are joined in parallel Maximum current is drawn from this combinatic in a 3 n resistance If the total number of cells...
- Q A ring of a radius r 16 cm is made of a wire of uniform cross section of radius a 1 0 mm Resistivity p of the material of the...
- Q A laptop battery has an emf of 10 8 V The laptop uses 0 80 A while running 1 How much charge moves through the battery each second 2 By...
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