Experimental Skills questions
159 published questions with worked solutions.
- In a Zener regulator, if source voltage is 30 V, series resistance is of 1.5 k , load resistance is of 2 k and V_Z = 10 V, then...
- Suppose an unregulated D.C. input voltage V_1 is applied to a Zener diode having breakdown voltage (V_Z). Then the breakdown...
- A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F, because the method involves :
- Which of the following acts as a circuit protecting device?
- The resistances in the left and right gap of a metre bridge are 40 and 60 respectively. When the bridge is balanced, the distance...
- Resistances in the left gap and right gap of a meter bridge are 10 and 30 respectively. If the resistances in the two gaps are...
- A resistance of 20 , is connected in the left gap of a meter bridge and an unknown resistance greater than 20 , is connected in...
- The resistance in the left and right gaps of a meter bridge are 10 and 30 respectively. If the bridge is balanced, then the...
- The resistance in the left and right gap of a balanced metre bridge are 12 and 36 respectively. If the resistance are...
- In a meter bridge experiment null point is obtained at cm from the left end. If the meter bridge wire is replaced by a wire of...
- When the two known resistance 'R' and 'S' are connected in the left and right gaps of a meter bridge respectively, the null point...
- In meter bridge experiment, null point was obtained at a distance ' ' from left end. The values of resistances in the left and...
- Two known resistance are connected in two gaps of meter bridge. The null point is obtained at 20 cm from zero end. A resistance...
- Two resistance X and Y are connected in the two gaps of a meterbridge and the null point is obtained at 20 cm from zero end. When...
- The period of oscillation of a simple pendulum is T=2 (L/g)^ 1/2 Measured value of 'L' is 10 cm known to 1 mm accuracy and time...
- On increasing the reverse bias to a large value in a P-N junction diode, current
- A wire of length 3m connected in the left gap of meter-bridge balances 8 resistance in the right fap at a point, which divides...
- In metre bridge experiment, the resistance in the left gap is 15 and in the right gap is 45 . The bridge is balanced. The...
- A metre bridge experiment, the resistance in the left gap is 20 and in the right gap is 60 . The bridge is balanced. The distance...
- The enclosed air inside a closed box of rigid walls has pressure P_1. The density of air inside this box is constant. On heating...
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