Advertisements
Advertisements
Question
Which of the following a simple circuit must-have?
Options
Energy source, Battery, Load
Energy source, Wire, Load
Energy source, Wire, Switch
Battery, Wire, Switch
Solution
Battery, Wire, Switch
APPEARS IN
RELATED QUESTIONS
Redraw the circuit of question 1, putting in an ammeter to measure the current through the resistors and a voltmeter to measure the potential difference across the 12 Ω resistors. What would be the readings in the ammeter and the voltmeter?
In which among the following circuits does the bulb glow?
_____ has a thin metallic filament that melts and breaks the connection when the circuit is overheated.
Assertion: In an open circuit, the current passes from one terminal of the electric cell to another.
Reason: Generally, the metal disc of a cell acts as a positive terminal.
Three bulbs A, B, and C are connected in a circuit as shown in Figure 14.2. When the switch is ‘ON’
Match the following
| 1. | Insulator | a. | Coulomb |
| 2. | Conductor | b. | Electric circuit |
| 3. | Closed path | c. | Copper |
| 4. | Electric charge | d. | Rubber |
In the following arrangement shown in Fig. 12.2, the bulb will not glow if the ends A and B are connected with
Paheli connected two bulbs to a cell as shown in Fig. 12.8.
She found that filament of bulb B is broken. Will the bulb A glow in this circuit? Give reason.
Boojho has a cell and a single piece of connecting wire. Without cutting the wire in two, will he be able to make the bulb glow? Explain with the help of a circuit diagram.
Name the device which is used to measure the strength of the electric current in an electric circuit.
