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একটি হুইটস্টোন ব্রিজের চারটি বাহু P, Q, R এবং S-এ যথাক্রমে ৪Ω, 12Ω, 16 Ω এবং 48Ω রোধ যুক্ত আছে। ব্রিজটিকে সাম্যাবস্থায় আনতে চতুর্থ বাহুতে কত রোধ কীভাবে যুক্ত করতে হবে? (The resistances in the four arms, namely P, Q, R and S, of a Wheatstone bridge are ৪Ω, 12Ω, 16 Ω and 48Ω respectively. What resistance needs to be included in the fourth arm, and in what manner, in order to balance the bridge?)
Consider the following statements regarding Thyristor: 1. It conducts when forward biased and positive current flows through the gate 2. It conducts when forward biased and negative current flows through the gate 3. It commutates when reverse biased and negative current flows through the gate 4. It commutates when the gate current is withdrawn Which of these statement(s) is/are correct?
A current of 0.5 A flowing through resistance of 10 Ω. The amount of electric charge that flows through this resistance in one minute will be-
The pie chart given below shows the amount spent by a boy on the purchase of six different items. The total amount spent on all these six items is Rs. 54000. The amount spent on a specific item is represented as a degree with reference to the total amount spent on all these six items. Which of the following statement(s) is/are correct? I. The amount spent on article A is Rs.900 less than the amount spent on article B. II. The amount spent on article C is Rs 2400 more than the amount spent on article D. III. The ratio of the amount spent on article B to the amount spent on article E is 4 : 1.
Which of the following statements are correct for an ideal constant voltage source? 1. Its output voltage remains absolutely constant whatever the change in load current. 2. It possesses zero internal resistance so that internal voltage drop in the source is zero. 3. Output voltage is provided by the source would remain constant irrespective of the amount of current drawn from it. 4. Output voltage provided by the source varies with the amount of current drawn from it.
The Taxi charges in a city consist of a fixed charge together with the charge for the distance covered. For a distance of 7 km, the charge is Rs. 27 and for a distance of 5 km, the charge is Rs. 21. What is the charge per km?
When a current of 0.5A flows through a filament of the electric bulb. Then amount of electric charge flows through a circuit is 300C, Calculate the time.
If a + 1/a = 10, then what is the value of 10a/(a2 + 10a + 1).
If a current of 3 Amperes flows for 1 minute, how much charge flows in this time?
An electric current of 0.5 A flows in the filament of an electric bulb for 8 min. What will be the amount of charge flows by electric current?