![OLCreate: TESSA_GHA Module 3: Science - Energy and Movement: Resource 1: A careful look at the torch bulb OLCreate: TESSA_GHA Module 3: Science - Energy and Movement: Resource 1: A careful look at the torch bulb](https://www.open.edu/openlearncreate/pluginfile.php/395287/mod_oucontent/oucontent/56048/26cdef5a/3ff83bd5/tessa_engh_pri_science_m3s1_fig008.jpg)
OLCreate: TESSA_GHA Module 3: Science - Energy and Movement: Resource 1: A careful look at the torch bulb
![ToToT 25pcs E10 Mini Light Bulbs 3.8V 0.3A Physical Electrical Experiment Screw Base Indicator Light Incandescent Bulb Old-Fashioned Flashlight Lamp : Amazon.in: Home & Kitchen ToToT 25pcs E10 Mini Light Bulbs 3.8V 0.3A Physical Electrical Experiment Screw Base Indicator Light Incandescent Bulb Old-Fashioned Flashlight Lamp : Amazon.in: Home & Kitchen](https://m.media-amazon.com/images/I/51wPLOHIZYL.jpg)
ToToT 25pcs E10 Mini Light Bulbs 3.8V 0.3A Physical Electrical Experiment Screw Base Indicator Light Incandescent Bulb Old-Fashioned Flashlight Lamp : Amazon.in: Home & Kitchen
![A torch bulb rated as 4.5 W 1.5 V is connected as shown in the figure. The emf of the cell needed to make the bulb glow at full intensity is 4.5 A torch bulb rated as 4.5 W 1.5 V is connected as shown in the figure. The emf of the cell needed to make the bulb glow at full intensity is 4.5](https://s3-us-west-2.amazonaws.com/infinitestudent-images/ckeditor_assets/pictures/617224/original_1.png)